78604804 has 12 divisors (see below), whose sum is σ = 145650204. Its totient is φ = 36990464.

The previous prime is 78604793. The next prime is 78604829. The reversal of 78604804 is 40840687.

It can be written as a sum of positive squares in 2 ways, for example, as 71368704 + 7236100 = 8448^2 + 2690^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577909 + ... + 578044.

It is an arithmetic number, because the mean of its divisors is an integer number (12137517).

Almost surely, 2^78604804 is an apocalyptic number.

It is an amenable number.

78604804 is a deficient number, since it is larger than the sum of its proper divisors (67045400).

78604804 is a wasteful number, since it uses less digits than its factorization.

78604804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155974 (or 1155972 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 78604804 is about 8865.9350324712. The cubic root of 78604804 is about 428.3673513670.

The spelling of 78604804 in words is "seventy-eight million, six hundred four thousand, eight hundred four".