97931108 has 72 divisors (see below), whose sum is σ = 199487232. Its totient is φ = 41976000.

The previous prime is 97931107. The next prime is 97931117. The reversal of 97931108 is 80113979.

It is not an unprimeable number, because it can be changed into a prime (97931107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915191 + ... + 915297.

It is an arithmetic number, because the mean of its divisors is an integer number (2770656).

Almost surely, 2^97931108 is an apocalyptic number.

It is an amenable number.

97931108 is an abundant number, since it is smaller than the sum of its proper divisors (101556124).

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

97931108 is a wasteful number, since it uses less digits than its factorization.

97931108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 97931108 is about 9896.0147534247. The cubic root of 97931108 is about 460.9355691265.

It can be divided in two parts, 9793 and 1108, that added together give a palindrome (10901).

The spelling of 97931108 in words is "ninety-seven million, nine hundred thirty-one thousand, one hundred eight".