113786657 has 2 divisors, whose sum is σ = 113786658. Its totient is φ = 113786656.

The previous prime is 113786653. The next prime is 113786677. The reversal of 113786657 is 756687311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111851776 + 1934881 = 10576^2 + 1391^2 .

It is an emirp because it is prime and its reverse (756687311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113786657 - 2² = 113786653 is a prime.

It is a super-2 number, since 2×113786657² = 25894806622471298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113786653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56893328 + 56893329.

It is an arithmetic number, because the mean of its divisors is an integer number (56893329).

Almost surely, 2^113786657 is an apocalyptic number.

It is an amenable number.

113786657 is a deficient number, since it is larger than the sum of its proper divisors (1).

113786657 is an equidigital number, since it uses as much as digits as its factorization.

113786657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 113786657 is about 10667.0828720883. The cubic root of 113786657 is about 484.5780962640.

The spelling of 113786657 in words is "one hundred thirteen million, seven hundred eighty-six thousand, six hundred fifty-seven".