79707976 has 8 divisors (see below), whose sum is σ = 149452470. Its totient is φ = 39853984.

The previous prime is 79707961. The next prime is 79708001. The reversal of 79707976 is 67970797.

It can be written as a sum of positive squares in only one way, i.e., 67667076 + 12040900 = 8226^2 + 3470^2 .

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

It is a super-2 number, since 2×79707976² = 12706722876033152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981741 + ... + 4981756.

Almost surely, 2^79707976 is an apocalyptic number.

It is an amenable number.

79707976 is a deficient number, since it is larger than the sum of its proper divisors (69744494).

79707976 is a wasteful number, since it uses less digits than its factorization.

79707976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963503 (or 9963499 counting only the distinct ones).

The product of its (nonzero) digits is 1166886, while the sum is 52.

The square root of 79707976 is about 8927.9323474139. The cubic root of 79707976 is about 430.3620099090.

The spelling of 79707976 in words is "seventy-nine million, seven hundred seven thousand, nine hundred seventy-six".