108255657 has 4 divisors (see below), whose sum is σ = 144340880. Its totient is φ = 72170436.

The previous prime is 108255613. The next prime is 108255659. The reversal of 108255657 is 756552801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 108255657 - 2¹⁰ = 108254633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108255659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18042607 + ... + 18042612.

It is an arithmetic number, because the mean of its divisors is an integer number (36085220).

Almost surely, 2^108255657 is an apocalyptic number.

It is an amenable number.

108255657 is a deficient number, since it is larger than the sum of its proper divisors (36085223).

108255657 is an equidigital number, since it uses as much as digits as its factorization.

108255657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36085222.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 108255657 is about 10404.5978778615. The cubic root of 108255657 is about 476.5957881691.

The spelling of 108255657 in words is "one hundred eight million, two hundred fifty-five thousand, six hundred fifty-seven".