79197211504 has 20 divisors (see below), whose sum is σ = 153567490000. Its totient is φ = 39566891520.

The previous prime is 79197211487. The next prime is 79197211553. The reversal of 79197211504 is 40511279197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961532 + ... + 2001499.

It is an arithmetic number, because the mean of its divisors is an integer number (7678374500).

Almost surely, 2^79197211504 is an apocalyptic number.

It is an amenable number.

79197211504 is a deficient number, since it is larger than the sum of its proper divisors (74370278496).

79197211504 is a wasteful number, since it uses less digits than its factorization.

79197211504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964288 (or 3964282 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 79197211504 in words is "seventy-nine billion, one hundred ninety-seven million, two hundred eleven thousand, five hundred four".