79090804 has 24 divisors (see below), whose sum is σ = 152695368. Its totient is φ = 35612160.

The previous prime is 79090799. The next prime is 79090807. The reversal of 79090804 is 40809097.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4613904 + 74476900 = 2148^2 + 8630^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79090807) 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, 16417 + ... + 20680.

It is an arithmetic number, because the mean of its divisors is an integer number (6362307).

Almost surely, 2^79090804 is an apocalyptic number.

It is an amenable number.

79090804 is a deficient number, since it is larger than the sum of its proper divisors (73604564).

79090804 is a wasteful number, since it uses less digits than its factorization.

79090804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37155 (or 37153 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 79090804 is about 8893.3010744043. The cubic root of 79090804 is about 429.2483786894.

The spelling of 79090804 in words is "seventy-nine million, ninety thousand, eight hundred four".