79804086 has 16 divisors (see below), whose sum is σ = 168997104. Its totient is φ = 25036544.

The previous prime is 79804063. The next prime is 79804099. The reversal of 79804086 is 68040897.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391095 + ... + 391298.

It is an arithmetic number, because the mean of its divisors is an integer number (10562319).

Almost surely, 2^79804086 is an apocalyptic number.

79804086 is an abundant number, since it is smaller than the sum of its proper divisors (89193018).

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

79804086 is a wasteful number, since it uses less digits than its factorization.

79804086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782415.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 79804086 is about 8933.3132711218. The cubic root of 79804086 is about 430.5349138914.

The spelling of 79804086 in words is "seventy-nine million, eight hundred four thousand, eighty-six".