108659808 has 36 divisors (see below), whose sum is σ = 309002148. Its totient is φ = 36219840.

The previous prime is 108659791. The next prime is 108659809. The reversal of 108659808 is 808956801.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108659809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188358 + ... + 188933.

It is an arithmetic number, because the mean of its divisors is an integer number (8583393).

Almost surely, 2^108659808 is an apocalyptic number.

108659808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108659808 is an abundant number, since it is smaller than the sum of its proper divisors (200342340).

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

108659808 is a wasteful number, since it uses less digits than its factorization.

108659808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377307 (or 377296 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 108659808 is about 10424.0015349193. The cubic root of 108659808 is about 477.1881435463.

The spelling of 108659808 in words is "one hundred eight million, six hundred fifty-nine thousand, eight hundred eight".