113568889 has 4 divisors (see below), whose sum is σ = 129793024. Its totient is φ = 97344756.

The previous prime is 113568883. The next prime is 113568911. The reversal of 113568889 is 988865311.

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 a cyclic number.

It is not a de Polignac number, because 113568889 - 2²⁵ = 80014457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113568883) 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, 8112057 + ... + 8112070.

It is an arithmetic number, because the mean of its divisors is an integer number (32448256).

Almost surely, 2^113568889 is an apocalyptic number.

It is an amenable number.

113568889 is a deficient number, since it is larger than the sum of its proper divisors (16224135).

113568889 is an equidigital number, since it uses as much as digits as its factorization.

113568889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224134.

The product of its digits is 414720, while the sum is 49.

The square root of 113568889 is about 10656.8705068608. The cubic root of 113568889 is about 484.2687659301.

The spelling of 113568889 in words is "one hundred thirteen million, five hundred sixty-eight thousand, eight hundred eighty-nine".