108520885 has 16 divisors (see below), whose sum is σ = 145089792. Its totient is φ = 77243200.

The previous prime is 108520879. The next prime is 108520897. The reversal of 108520885 is 588025801.

It is a de Polignac number, because none of the positive numbers 2^k-108520885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18406 + ... + 23575.

It is an arithmetic number, because the mean of its divisors is an integer number (9068112).

Almost surely, 2^108520885 is an apocalyptic number.

It is an amenable number.

108520885 is a deficient number, since it is larger than the sum of its proper divisors (36568907).

108520885 is a wasteful number, since it uses less digits than its factorization.

108520885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42044.

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 108520885 is about 10417.3357918424. The cubic root of 108520885 is about 476.9846930351.

The spelling of 108520885 in words is "one hundred eight million, five hundred twenty thousand, eight hundred eighty-five".