79779088 has 20 divisors (see below), whose sum is σ = 161293248. Its totient is φ = 38155040.

The previous prime is 79779023. The next prime is 79779097. The reversal of 79779088 is 88097797.

It is a super-2 number, since 2×79779088² = 12729405764223488, which contains 22 as substring.

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, 108028 + ... + 108763.

Almost surely, 2^79779088 is an apocalyptic number.

It is an amenable number.

79779088 is an abundant number, since it is smaller than the sum of its proper divisors (81514160).

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

79779088 is a wasteful number, since it uses less digits than its factorization.

79779088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216822 (or 216816 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 55.

The square root of 79779088 is about 8931.9140166036. The cubic root of 79779088 is about 430.4899553090.

The spelling of 79779088 in words is "seventy-nine million, seven hundred seventy-nine thousand, eighty-eight".