578320804 has 24 divisors (see below), whose sum is σ = 1046076920. Its totient is φ = 279542016.

The previous prime is 578320801. The next prime is 578320811. The reversal of 578320804 is 408023875.

It can be written as a sum of positive squares in 4 ways, for example, as 13307904 + 565012900 = 3648^2 + 23770^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (578320801) 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, 10792 + ... + 35680.

Almost surely, 2^578320804 is an apocalyptic number.

It is an amenable number.

578320804 is a deficient number, since it is larger than the sum of its proper divisors (467756116).

578320804 is a wasteful number, since it uses less digits than its factorization.

578320804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25087 (or 25085 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 578320804 is about 24048.3014784828. The cubic root of 578320804 is about 833.1495009253.

The spelling of 578320804 in words is "five hundred seventy-eight million, three hundred twenty thousand, eight hundred four".