79412864 has 16 divisors (see below), whose sum is σ = 158205570. Its totient is φ = 39706368.

The previous prime is 79412821. The next prime is 79412869. The reversal of 79412864 is 46821497.

It can be written as a sum of positive squares in only one way, i.e., 51955264 + 27457600 = 7208^2 + 5240^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (79412869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310079 + ... + 310334.

Almost surely, 2^79412864 is an apocalyptic number.

It is an amenable number.

79412864 is a deficient number, since it is larger than the sum of its proper divisors (78792706).

79412864 is an equidigital number, since it uses as much as digits as its factorization.

79412864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620427 (or 620415 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 79412864 is about 8911.3895661676. The cubic root of 79412864 is about 429.8302268313.

The spelling of 79412864 in words is "seventy-nine million, four hundred twelve thousand, eight hundred sixty-four".