79185628972 has 6 divisors (see below), whose sum is σ = 138574850708. Its totient is φ = 39592814484.

The previous prime is 79185628933. The next prime is 79185628997. The reversal of 79185628972 is 27982658197.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9898203618 + ... + 9898203625.

Almost surely, 2^79185628972 is an apocalyptic number.

It is an amenable number.

79185628972 is a deficient number, since it is larger than the sum of its proper divisors (59389221736).

79185628972 is a wasteful number, since it uses less digits than its factorization.

79185628972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796407247 (or 19796407245 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 64.

The spelling of 79185628972 in words is "seventy-nine billion, one hundred eighty-five million, six hundred twenty-eight thousand, nine hundred seventy-two".