98979192507 has 16 divisors (see below), whose sum is σ = 145965159200. Its totient is φ = 59264047872.

The previous prime is 98979192503. The next prime is 98979192517. The reversal of 98979192507 is 70529197989.

It is not a de Polignac number, because 98979192507 - 2² = 98979192503 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98979192503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34294882 + ... + 34297767.

It is an arithmetic number, because the mean of its divisors is an integer number (9122822450).

Almost surely, 2^98979192507 is an apocalyptic number.

98979192507 is a deficient number, since it is larger than the sum of its proper divisors (46985966693).

98979192507 is a wasteful number, since it uses less digits than its factorization.

98979192507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68592702.

The product of its (nonzero) digits is 25719120, while the sum is 66.

The spelling of 98979192507 in words is "ninety-eight billion, nine hundred seventy-nine million, one hundred ninety-two thousand, five hundred seven".