79877022 has 16 divisors (see below), whose sum is σ = 166700160. Its totient is φ = 25467992.

The previous prime is 79877003. The next prime is 79877023. The reversal of 79877022 is 22077897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79877023) 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, 289272 + ... + 289547.

It is an arithmetic number, because the mean of its divisors is an integer number (10418760).

Almost surely, 2^79877022 is an apocalyptic number.

79877022 is an abundant number, since it is smaller than the sum of its proper divisors (86823138).

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

79877022 is a wasteful number, since it uses less digits than its factorization.

79877022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578847.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 79877022 is about 8937.3945867909. The cubic root of 79877022 is about 430.6660347172. Note that the first 3 decimals are identical.

The spelling of 79877022 in words is "seventy-nine million, eight hundred seventy-seven thousand, twenty-two".