78596864 has 18 divisors (see below), whose sum is σ = 156887220. Its totient is φ = 39298304.

The previous prime is 78596857. The next prime is 78596891. The reversal of 78596864 is 46869587.

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, 153254 + ... + 153765.

Almost surely, 2^78596864 is an apocalyptic number.

It is an amenable number.

78596864 is a deficient number, since it is larger than the sum of its proper divisors (78290356).

78596864 is an equidigital number, since it uses as much as digits as its factorization.

78596864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307035 (or 307021 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 78596864 is about 8865.4872398532. The cubic root of 78596864 is about 428.3529275187.

The spelling of 78596864 in words is "seventy-eight million, five hundred ninety-six thousand, eight hundred sixty-four".