79700082 has 64 divisors (see below), whose sum is σ = 200116224. Its totient is φ = 20557440.

The previous prime is 79700081. The next prime is 79700087. The reversal of 79700082 is 28000797.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (79700081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76638 + ... + 77670.

It is an arithmetic number, because the mean of its divisors is an integer number (3126816).

Almost surely, 2^79700082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79700082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100058112).

79700082 is an abundant number, since it is smaller than the sum of its proper divisors (120416142).

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

79700082 is a wasteful number, since it uses less digits than its factorization.

79700082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 79700082 is about 8927.4902408236. The cubic root of 79700082 is about 430.3478022557.

The spelling of 79700082 in words is "seventy-nine million, seven hundred thousand, eighty-two".