79297657900 has 36 divisors (see below), whose sum is σ = 174992471640. Its totient is φ = 31181449600.

The previous prime is 79297657883. The next prime is 79297657903. The reversal of 79297657900 is 975679297.

It is not an unprimeable number, because it can be changed into a prime (79297657903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6714241 + ... + 6726040.

It is an arithmetic number, because the mean of its divisors is an integer number (4860901990).

Almost surely, 2^79297657900 is an apocalyptic number.

It is an amenable number.

79297657900 is an abundant number, since it is smaller than the sum of its proper divisors (95694813740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79297657900 is a wasteful number, since it uses less digits than its factorization.

79297657900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13440354 (or 13440347 counting only the distinct ones).

The product of its (nonzero) digits is 15002820, while the sum is 61.

The spelling of 79297657900 in words is "seventy-nine billion, two hundred ninety-seven million, six hundred fifty-seven thousand, nine hundred".