79516936 has 8 divisors (see below), whose sum is σ = 149094270. Its totient is φ = 39758464.

The previous prime is 79516901. The next prime is 79516937. The reversal of 79516936 is 63961597.

It can be written as a sum of positive squares in only one way, i.e., 42380100 + 37136836 = 6510^2 + 6094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×79516936² = 12645886221656192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (79516937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4969801 + ... + 4969816.

Almost surely, 2^79516936 is an apocalyptic number.

It is an amenable number.

79516936 is a deficient number, since it is larger than the sum of its proper divisors (69577334).

79516936 is a wasteful number, since it uses less digits than its factorization.

79516936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939623 (or 9939619 counting only the distinct ones).

The product of its digits is 306180, while the sum is 46.

The square root of 79516936 is about 8917.2269232088. The cubic root of 79516936 is about 430.0179116390.

The spelling of 79516936 in words is "seventy-nine million, five hundred sixteen thousand, nine hundred thirty-six".