117706761 has 12 divisors (see below), whose sum is σ = 172174080. Its totient is φ = 77477400.

The previous prime is 117706747. The next prime is 117706819. The reversal of 117706761 is 167607711.

It is not a de Polignac number, because 117706761 - 2¹⁰ = 117705737 is a prime.

It is a super-2 number, since 2×117706761² = 27709763170222242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117706661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82065 + ... + 83486.

It is an arithmetic number, because the mean of its divisors is an integer number (14347840).

Almost surely, 2^117706761 is an apocalyptic number.

It is an amenable number.

117706761 is a deficient number, since it is larger than the sum of its proper divisors (54467319).

117706761 is a wasteful number, since it uses less digits than its factorization.

117706761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165636 (or 165633 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 117706761 is about 10849.2746762168. The cubic root of 117706761 is about 490.0801770787.

The spelling of 117706761 in words is "one hundred seventeen million, seven hundred six thousand, seven hundred sixty-one".