108799957 has 4 divisors (see below), whose sum is σ = 124342816. Its totient is φ = 93257100.

The previous prime is 108799921. The next prime is 108799963. The reversal of 108799957 is 759997801.

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: 759997801 = 17 ⋅44705753.

It is a cyclic number.

It is not a de Polignac number, because 108799957 - 2²³ = 100411349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108799898 and 108799907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108799657) 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, 7771419 + ... + 7771432.

It is an arithmetic number, because the mean of its divisors is an integer number (31085704).

Almost surely, 2^108799957 is an apocalyptic number.

It is an amenable number.

108799957 is a deficient number, since it is larger than the sum of its proper divisors (15542859).

108799957 is an equidigital number, since it uses as much as digits as its factorization.

108799957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15542858.

The product of its (nonzero) digits is 1428840, while the sum is 55.

The square root of 108799957 is about 10430.7217871056. The cubic root of 108799957 is about 477.3932138790.

The spelling of 108799957 in words is "one hundred eight million, seven hundred ninety-nine thousand, nine hundred fifty-seven".