113779557 has 24 divisors (see below), whose sum is σ = 171200640. Its totient is φ = 72727200.

The previous prime is 113779537. The next prime is 113779571. The reversal of 113779557 is 755977311.

It is not a de Polignac number, because 113779557 - 2¹² = 113775461 is a prime.

It is a super-2 number, since 2×113779557² = 25891575182232498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113779507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37968 + ... + 40854.

It is an arithmetic number, because the mean of its divisors is an integer number (7133360).

Almost surely, 2^113779557 is an apocalyptic number.

It is an amenable number.

113779557 is a deficient number, since it is larger than the sum of its proper divisors (57421083).

113779557 is a wasteful number, since it uses less digits than its factorization.

113779557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3070 counting only the distinct ones).

The product of its digits is 231525, while the sum is 45.

The square root of 113779557 is about 10666.7500673823. The cubic root of 113779557 is about 484.5680172379.

The spelling of 113779557 in words is "one hundred thirteen million, seven hundred seventy-nine thousand, five hundred fifty-seven".