79980108 has 48 divisors (see below), whose sum is σ = 209723136. Its totient is φ = 23538240.

The previous prime is 79980091. The next prime is 79980113. The reversal of 79980108 is 80108997.

It is a self number, because there is not a number n which added to its sum of digits gives 79980108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7558 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (4369232).

Almost surely, 2^79980108 is an apocalyptic number.

79980108 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

79980108 is an abundant number, since it is smaller than the sum of its proper divisors (129743028).

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

79980108 is a wasteful number, since it uses less digits than its factorization.

79980108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334 (or 22332 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 79980108 is about 8943.1598442609. The cubic root of 79980108 is about 430.8512217002.

The spelling of 79980108 in words is "seventy-nine million, nine hundred eighty thousand, one hundred eight".