Answer

In Jain tradition, the 12 Angas and 14 Purvas are the ancient canonical scriptures remembered and taught by the Ganadharas after hearing the divine preaching of the Tirthankar.

The traditional calculation you mention — 1634 crore 83 lakh 7888 letters — refers to the vast size of the 14 Purvas, usually expressed in terms of pada / pad.

Here, pad does not simply mean “word” in the ordinary modern sense. In this context, it is a traditional unit used to measure the extent of scriptural knowledge.

What is “Pad”?

In Jain scriptural measurement:

• Pad means a unit of textual extent.
• It is often understood as a meaningful textual unit, sometimes explained in relation to words, syllables, or letters depending on the context.
• When discussing the size of the Purvas, Jain tradition commonly uses pad-pramāṇ, meaning the measure or count of pads.

So when the tradition says that the Purvas contained a certain number of pads, it means their scriptural vastness was measured in that traditional unit.

About 1634 Crore 83 Lakh 7888 Letters

The number:

• 1634 crore = 16,340,000,000
• 83 lakh = 8,300,000
• 7888 = 7,888

So:

1634 crore 83 lakh 7888

= 16,340,000,000 + 8,300,000 + 7,888

= 16,348,307,888

So the total is:

16,348,307,888 letters

That is approximately:

16.348 billion letters.

How to Write It

You can write it in Indian number format as:

16,34,83,07,888

You can write it in words as:

Sixteen arab, thirty-four crore, eighty-three lakh, seven thousand eight hundred eighty-eight

Or in the phrase used traditionally:

1634 crore 83 lakh 7888 akṣar / letters

About 12 Ang and 14 Purv

The 12 Angas are the principal scriptures of the Jain canon. The 14 Purvas were contained within the 12th Anga, called Dṛṣṭivāda Anga.

The 14 Purvas are traditionally regarded as extremely vast and profound. Over time, according to Jain tradition, the complete knowledge of the Purvas gradually disappeared from ordinary human transmission.

Spiritual Understanding

The purpose of these huge numbers is not merely mathematical. They show the extraordinary depth of the omniscient teaching of the Tirthankar and the vastness of Jain knowledge.

The loss of the Purvas also reminds us of the importance of:

• preserving scriptural knowledge,
• studying sincerely,
• practicing right faith, right knowledge, and right conduct,
• and respecting the Jain Āgams and teachers.

Takeaway

1634 crore 83 lakh 7888 means:

16,348,307,888 letters

or in Indian notation:

16,34,83,07,888 akṣars.

In this context, pad is a traditional unit used to measure the vast extent of Jain scriptures, especially the 14 Purvas.