113779585 has 4 divisors (see below), whose sum is σ = 136535508. Its totient is φ = 91023664.

The previous prime is 113779583. The next prime is 113779613. The reversal of 113779585 is 585977311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45684081 + 68095504 = 6759^2 + 8252^2 .

It is a cyclic number.

It is not a de Polignac number, because 113779585 - 2¹ = 113779583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113779583) 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, 11377954 + ... + 11377963.

It is an arithmetic number, because the mean of its divisors is an integer number (34133877).

Almost surely, 2^113779585 is an apocalyptic number.

It is an amenable number.

113779585 is a deficient number, since it is larger than the sum of its proper divisors (22755923).

113779585 is an equidigital number, since it uses as much as digits as its factorization.

113779585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22755922.

The product of its digits is 264600, while the sum is 46.

The square root of 113779585 is about 10666.7513798719. The cubic root of 113779585 is about 484.5680569870.

The spelling of 113779585 in words is "one hundred thirteen million, seven hundred seventy-nine thousand, five hundred eighty-five".