79822116 has 108 divisors (see below), whose sum is σ = 233971920. Its totient is φ = 22692960.

The previous prime is 79822109. The next prime is 79822129. The reversal of 79822116 is 61122897.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 774921 + ... + 775023.

Almost surely, 2^79822116 is an apocalyptic number.

79822116 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79822116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116985960).

79822116 is an abundant number, since it is smaller than the sum of its proper divisors (154149804).

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

79822116 is a wasteful number, since it uses less digits than its factorization.

79822116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 138 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 79822116 is about 8934.3223581870. The cubic root of 79822116 is about 430.5673347876.

The spelling of 79822116 in words is "seventy-nine million, eight hundred twenty-two thousand, one hundred sixteen".