108100857 has 4 divisors (see below), whose sum is σ = 144134480. Its totient is φ = 72067236.

The previous prime is 108100849. The next prime is 108100871. The reversal of 108100857 is 758001801.

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 108100857 - 2³ = 108100849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108100847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18016807 + ... + 18016812.

It is an arithmetic number, because the mean of its divisors is an integer number (36033620).

Almost surely, 2^108100857 is an apocalyptic number.

It is an amenable number.

108100857 is a deficient number, since it is larger than the sum of its proper divisors (36033623).

108100857 is an equidigital number, since it uses as much as digits as its factorization.

108100857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36033622.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 108100857 is about 10397.1561977302. The cubic root of 108100857 is about 476.3685106798.

The spelling of 108100857 in words is "one hundred eight million, one hundred thousand, eight hundred fifty-seven".