79804134 has 12 divisors (see below), whose sum is σ = 172908996. Its totient is φ = 26601372.

The previous prime is 79804099. The next prime is 79804211. The reversal of 79804134 is 43140897.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2216764 + ... + 2216799.

It is an arithmetic number, because the mean of its divisors is an integer number (14409083).

Almost surely, 2^79804134 is an apocalyptic number.

79804134 is an abundant number, since it is smaller than the sum of its proper divisors (93104862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79804134 is a wasteful number, since it uses less digits than its factorization.

79804134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433571 (or 4433568 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 79804134 is about 8933.3159576945. The cubic root of 79804134 is about 430.5350002097.

The spelling of 79804134 in words is "seventy-nine million, eight hundred four thousand, one hundred thirty-four".