78764804 has 24 divisors (see below), whose sum is σ = 145706400. Its totient is φ = 37152000.

The previous prime is 78764801. The next prime is 78764839. The reversal of 78764804 is 40846787.

It is not an unprimeable number, because it can be changed into a prime (78764801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 21140.

It is an arithmetic number, because the mean of its divisors is an integer number (6071100).

Almost surely, 2^78764804 is an apocalyptic number.

It is an amenable number.

78764804 is a deficient number, since it is larger than the sum of its proper divisors (66941596).

78764804 is a wasteful number, since it uses less digits than its factorization.

78764804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 78764804 is about 8874.9537463583. The cubic root of 78764804 is about 428.6578014910.

The spelling of 78764804 in words is "seventy-eight million, seven hundred sixty-four thousand, eight hundred four".