79985915168 has 48 divisors (see below), whose sum is σ = 158614466976. Its totient is φ = 39703426560.

The previous prime is 79985915147. The next prime is 79985915197. The reversal of 79985915168 is 86151958997.

It is a junction number, because it is equal to n+sod(n) for n = 79985915098 and 79985915107.

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, 4962803 + ... + 4978893.

It is an arithmetic number, because the mean of its divisors is an integer number (3304468062).

Almost surely, 2^79985915168 is an apocalyptic number.

It is an amenable number.

79985915168 is a deficient number, since it is larger than the sum of its proper divisors (78628551808).

79985915168 is a wasteful number, since it uses less digits than its factorization.

79985915168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17217 (or 17209 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 68.

The spelling of 79985915168 in words is "seventy-nine billion, nine hundred eighty-five million, nine hundred fifteen thousand, one hundred sixty-eight".