108687415972 has 12 divisors (see below), whose sum is σ = 191265565680. Its totient is φ = 54040111496.

The previous prime is 108687415957. The next prime is 108687415981. The reversal of 108687415972 is 279514786801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75898318 + ... + 75899749.

It is an arithmetic number, because the mean of its divisors is an integer number (15938797140).

Almost surely, 2^108687415972 is an apocalyptic number.

It is an amenable number.

108687415972 is a deficient number, since it is larger than the sum of its proper divisors (82578149708).

108687415972 is a wasteful number, since it uses less digits than its factorization.

108687415972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151798250 (or 151798248 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 108687415972 in words is "one hundred eight billion, six hundred eighty-seven million, four hundred fifteen thousand, nine hundred seventy-two".