109795857 has 8 divisors (see below), whose sum is σ = 146459040. Its totient is φ = 73164960.

The previous prime is 109795849. The next prime is 109795871. The reversal of 109795857 is 758597901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109795857 - 2³ = 109795849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109795817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (18307380).

Almost surely, 2^109795857 is an apocalyptic number.

It is an amenable number.

109795857 is a deficient number, since it is larger than the sum of its proper divisors (36663183).

109795857 is a wasteful number, since it uses less digits than its factorization.

109795857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143.

The product of its (nonzero) digits is 793800, while the sum is 51.

The square root of 109795857 is about 10478.3518265040. The cubic root of 109795857 is about 478.8453976646.

It can be divided in two parts, 10979 and 5857, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 109795857 in words is "one hundred nine million, seven hundred ninety-five thousand, eight hundred fifty-seven".