108865920 has 64 divisors (see below), whose sum is σ = 347016240. Its totient is φ = 29030400.

The previous prime is 108865879. The next prime is 108865927. The reversal of 108865920 is 29568801.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108865927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26431 + ... + 30270.

Almost surely, 2^108865920 is an apocalyptic number.

108865920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108865920 is an abundant number, since it is smaller than the sum of its proper divisors (238150320).

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

108865920 is an equidigital number, since it uses as much as digits as its factorization.

108865920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56723 (or 56711 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 108865920 is about 10433.8832655920. The cubic root of 108865920 is about 477.4896720261.

The spelling of 108865920 in words is "one hundred eight million, eight hundred sixty-five thousand, nine hundred twenty".