113658857 has 8 divisors (see below), whose sum is σ = 125710536. Its totient is φ = 102079872.

The previous prime is 113658851. The next prime is 113658887. The reversal of 113658857 is 758856311.

It can be written as a sum of positive squares in 4 ways, for example, as 534361 + 113124496 = 731^2 + 10636^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 113658857 - 2⁶ = 113658793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113658851) 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, 117668 + ... + 118629.

It is an arithmetic number, because the mean of its divisors is an integer number (15713817).

Almost surely, 2^113658857 is an apocalyptic number.

It is an amenable number.

113658857 is a deficient number, since it is larger than the sum of its proper divisors (12051679).

113658857 is a wasteful number, since it uses less digits than its factorization.

113658857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236347.

The product of its digits is 201600, while the sum is 44.

The square root of 113658857 is about 10661.0907978499. The cubic root of 113658857 is about 484.3966096055.

The spelling of 113658857 in words is "one hundred thirteen million, six hundred fifty-eight thousand, eight hundred fifty-seven".