117761512 has 64 divisors (see below), whose sum is σ = 249661440. Its totient is φ = 51609600.

The previous prime is 117761503. The next prime is 117761519. The reversal of 117761512 is 215167711.

It is a happy number.

It is a super-2 number, since 2×117761512² = 27735547417052288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117761519) 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 15 ways as a sum of consecutive naturals, for example, 458088 + ... + 458344.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960).

Almost surely, 2^117761512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117761512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124830720).

117761512 is an abundant number, since it is smaller than the sum of its proper divisors (131899928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117761512 is a wasteful number, since it uses less digits than its factorization.

117761512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 438 counting only the distinct ones).

The product of its digits is 2940, while the sum is 31.

The square root of 117761512 is about 10851.7976391011. The cubic root of 117761512 is about 490.1561518154.

The spelling of 117761512 in words is "one hundred seventeen million, seven hundred sixty-one thousand, five hundred twelve".