78586792 has 16 divisors (see below), whose sum is σ = 148728960. Its totient is φ = 38925744.

The previous prime is 78586789. The next prime is 78586799. The reversal of 78586792 is 29768587.

It is not an unprimeable number, because it can be changed into a prime (78586799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45048 + ... + 46759.

It is an arithmetic number, because the mean of its divisors is an integer number (9295560).

Almost surely, 2^78586792 is an apocalyptic number.

It is an amenable number.

78586792 is a deficient number, since it is larger than the sum of its proper divisors (70142168).

78586792 is a wasteful number, since it uses less digits than its factorization.

78586792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91920 (or 91916 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 78586792 is about 8864.9191761685. The cubic root of 78586792 is about 428.3346292696.

The spelling of 78586792 in words is "seventy-eight million, five hundred eighty-six thousand, seven hundred ninety-two".