79872108 has 12 divisors (see below), whose sum is σ = 186368280. Its totient is φ = 26624032.

The previous prime is 79872083. The next prime is 79872109. The reversal of 79872108 is 80127897.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 79872108.

It is not an unprimeable number, because it can be changed into a prime (79872109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3327993 + ... + 3328016.

It is an arithmetic number, because the mean of its divisors is an integer number (15530690).

Almost surely, 2^79872108 is an apocalyptic number.

It is an amenable number.

79872108 is an abundant number, since it is smaller than the sum of its proper divisors (106496172).

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

79872108 is a wasteful number, since it uses less digits than its factorization.

79872108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656016 (or 6656014 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 79872108 is about 8937.1196702293. The cubic root of 79872108 is about 430.6572030731.

The spelling of 79872108 in words is "seventy-nine million, eight hundred seventy-two thousand, one hundred eight".