108791992 has 32 divisors (see below), whose sum is σ = 211892400. Its totient is φ = 52303104.

The previous prime is 108791971. The next prime is 108792017. The reversal of 108791992 is 299197801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64828 + ... + 66484.

Almost surely, 2^108791992 is an apocalyptic number.

It is an amenable number.

108791992 is a deficient number, since it is larger than the sum of its proper divisors (103100408).

108791992 is a wasteful number, since it uses less digits than its factorization.

108791992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 108791992 is about 10430.3399752836. The cubic root of 108791992 is about 477.3815639671.

It can be divided in two parts, 108 and 791992, that added together give a square (792100 = 890²).

The spelling of 108791992 in words is "one hundred eight million, seven hundred ninety-one thousand, nine hundred ninety-two".