115287957 has 12 divisors (see below), whose sum is σ = 166630464. Its totient is φ = 76810920.

The previous prime is 115287943. The next prime is 115287973. The reversal of 115287957 is 759782511.

115287957 is a `hidden beast` number, since 1 + 1 + 528 + 79 + 57 = 666.

It is not a de Polignac number, because 115287957 - 2¹¹ = 115285909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115287917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17332 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (13885872).

Almost surely, 2^115287957 is an apocalyptic number.

It is an amenable number.

115287957 is a deficient number, since it is larger than the sum of its proper divisors (51342507).

115287957 is a wasteful number, since it uses less digits than its factorization.

115287957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7960 (or 7957 counting only the distinct ones).

The product of its digits is 176400, while the sum is 45.

The square root of 115287957 is about 10737.2229649943. Note that the first 3 decimals coincide. The cubic root of 115287957 is about 486.6999643092.

The spelling of 115287957 in words is "one hundred fifteen million, two hundred eighty-seven thousand, nine hundred fifty-seven".