79664696 has 8 divisors (see below), whose sum is σ = 149371320. Its totient is φ = 39832344.

The previous prime is 79664693. The next prime is 79664759. The reversal of 79664696 is 69646697.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79664693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4979036 + ... + 4979051.

It is an arithmetic number, because the mean of its divisors is an integer number (18671415).

Almost surely, 2^79664696 is an apocalyptic number.

It is an amenable number.

79664696 is a deficient number, since it is larger than the sum of its proper divisors (69706624).

79664696 is a wasteful number, since it uses less digits than its factorization.

79664696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9958093 (or 9958089 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 53.

The square root of 79664696 is about 8925.5081648050. The cubic root of 79664696 is about 430.2841028582.

The spelling of 79664696 in words is "seventy-nine million, six hundred sixty-four thousand, six hundred ninety-six".