117756749772 has 36 divisors (see below), whose sum is σ = 301007430360. Its totient is φ = 38811212352.

The previous prime is 117756749771. The next prime is 117756749777. The reversal of 117756749772 is 277947657711.

It is a happy number.

117756749772 is a `hidden beast` number, since 1 + 1 + 7 + 75 + 6 + 7 + 497 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (117756749771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18373318 + ... + 18379725.

It is an arithmetic number, because the mean of its divisors is an integer number (8361317510).

Almost surely, 2^117756749772 is an apocalyptic number.

117756749772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117756749772 is an abundant number, since it is smaller than the sum of its proper divisors (183250680588).

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

117756749772 is a wasteful number, since it uses less digits than its factorization.

117756749772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36753142 (or 36753137 counting only the distinct ones).

The product of its digits is 36303120, while the sum is 63.

The spelling of 117756749772 in words is "one hundred seventeen billion, seven hundred fifty-six million, seven hundred forty-nine thousand, seven hundred seventy-two".