79822660 has 24 divisors (see below), whose sum is σ = 168638400. Its totient is φ = 31736544.

The previous prime is 79822657. The next prime is 79822669. The reversal of 79822660 is 6622897.

It is not an unprimeable number, because it can be changed into a prime (79822669) 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, 8610 + ... + 15289.

It is an arithmetic number, because the mean of its divisors is an integer number (7026600).

Almost surely, 2^79822660 is an apocalyptic number.

It is an amenable number.

79822660 is an abundant number, since it is smaller than the sum of its proper divisors (88815740).

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

79822660 is a wasteful number, since it uses less digits than its factorization.

79822660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24075 (or 24073 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 79822660 is about 8934.3528025258. The cubic root of 79822660 is about 430.5683129129.

The spelling of 79822660 in words is "seventy-nine million, eight hundred twenty-two thousand, six hundred sixty".