79088643556 has 48 divisors (see below), whose sum is σ = 151749722880. Its totient is φ = 35843109120.

The previous prime is 79088643527. The next prime is 79088643563. The reversal of 79088643556 is 65534688097.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 79088643494 and 79088643503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780800 + ... + 2809096.

It is an arithmetic number, because the mean of its divisors is an integer number (3161452560).

Almost surely, 2^79088643556 is an apocalyptic number.

It is an amenable number.

79088643556 is a deficient number, since it is larger than the sum of its proper divisors (72661079324).

79088643556 is a wasteful number, since it uses less digits than its factorization.

79088643556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29284 (or 29282 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 79088643556 in words is "seventy-nine billion, eighty-eight million, six hundred forty-three thousand, five hundred fifty-six".