79556308904 has 16 divisors (see below), whose sum is σ = 149176062720. Its totient is φ = 39776025520.

The previous prime is 79556308889. The next prime is 79556308967. The reversal of 79556308904 is 40980365597.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79556308904.

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, 101294 + ... + 411549.

It is an arithmetic number, because the mean of its divisors is an integer number (9323503920).

Almost surely, 2^79556308904 is an apocalyptic number.

It is an amenable number.

79556308904 is a deficient number, since it is larger than the sum of its proper divisors (69619753816).

79556308904 is a wasteful number, since it uses less digits than its factorization.

79556308904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532240 (or 532236 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 79556308904 in words is "seventy-nine billion, five hundred fifty-six million, three hundred eight thousand, nine hundred four".