108775857 has 4 divisors (see below), whose sum is σ = 145034480. Its totient is φ = 72517236.

The previous prime is 108775847. The next prime is 108775867. The reversal of 108775857 is 758577801.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 758577801 = 3 ⋅252859267.

It is an interprime number because it is at equal distance from previous prime (108775847) and next prime (108775867).

It is not a de Polignac number, because 108775857 - 2⁴ = 108775841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108775847) 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, 18129307 + ... + 18129312.

It is an arithmetic number, because the mean of its divisors is an integer number (36258620).

Almost surely, 2^108775857 is an apocalyptic number.

It is an amenable number.

108775857 is a deficient number, since it is larger than the sum of its proper divisors (36258623).

108775857 is an equidigital number, since it uses as much as digits as its factorization.

108775857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36258622.

The product of its (nonzero) digits is 548800, while the sum is 48.

The square root of 108775857 is about 10429.5664818822. The cubic root of 108775857 is about 477.3579625598.

The spelling of 108775857 in words is "one hundred eight million, seven hundred seventy-five thousand, eight hundred fifty-seven".