117761157 has 12 divisors (see below), whose sum is σ = 175586944. Its totient is φ = 75974760.

The previous prime is 117761099. The next prime is 117761167. The reversal of 117761157 is 751167711.

It is not a de Polignac number, because 117761157 - 2⁸ = 117760901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117761167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210763 + ... + 211320.

Almost surely, 2^117761157 is an apocalyptic number.

It is an amenable number.

117761157 is a deficient number, since it is larger than the sum of its proper divisors (57825787).

117761157 is a wasteful number, since it uses less digits than its factorization.

117761157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422120 (or 422117 counting only the distinct ones).

The product of its digits is 10290, while the sum is 36.

The square root of 117761157 is about 10851.7812823518. The cubic root of 117761157 is about 490.1556592786.

The spelling of 117761157 in words is "one hundred seventeen million, seven hundred sixty-one thousand, one hundred fifty-seven".