115657227 has 60 divisors (see below), whose sum is σ = 204296400. Its totient is φ = 63872064.

The previous prime is 115657207. The next prime is 115657261. The reversal of 115657227 is 722756511.

115657227 is a `hidden beast` number, since 1 + 1 + 565 + 72 + 27 = 666.

It is not a de Polignac number, because 115657227 - 2⁶ = 115657163 is a prime.

Its product of digits (29400) is a multiple of the sum of its prime divisors (196).

It is a junction number, because it is equal to n+sod(n) for n = 115657191 and 115657200.

It is not an unprimeable number, because it can be changed into a prime (115657207) 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 in 59 ways as a sum of consecutive naturals, for example, 776149 + ... + 776297.

It is an arithmetic number, because the mean of its divisors is an integer number (3404940).

Almost surely, 2^115657227 is an apocalyptic number.

115657227 is a deficient number, since it is larger than the sum of its proper divisors (88639173).

115657227 is an equidigital number, since it uses as much as digits as its factorization.

115657227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 196 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 115657227 is about 10754.4050044621. The cubic root of 115657227 is about 487.2190475821.

The spelling of 115657227 in words is "one hundred fifteen million, six hundred fifty-seven thousand, two hundred twenty-seven".