79931157170 has 16 divisors (see below), whose sum is σ = 145609531200. Its totient is φ = 31587252144.

The previous prime is 79931157167. The next prime is 79931157197. The reversal of 79931157170 is 7175113997.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48150470 + ... + 48152129.

It is an arithmetic number, because the mean of its divisors is an integer number (9100595700).

Almost surely, 2^79931157170 is an apocalyptic number.

79931157170 is a deficient number, since it is larger than the sum of its proper divisors (65678374030).

79931157170 is a wasteful number, since it uses less digits than its factorization.

79931157170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96302689.

The product of its (nonzero) digits is 416745, while the sum is 50.

The spelling of 79931157170 in words is "seventy-nine billion, nine hundred thirty-one million, one hundred fifty-seven thousand, one hundred seventy".