117947892072 has 32 divisors (see below), whose sum is σ = 304381658880. Its totient is φ = 38047706880.

The previous prime is 117947892071. The next prime is 117947892113. The reversal of 117947892072 is 270298749711.

It is not an unprimeable number, because it can be changed into a prime (117947892071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79265313 + ... + 79266800.

It is an arithmetic number, because the mean of its divisors is an integer number (9511926840).

Almost surely, 2^117947892072 is an apocalyptic number.

117947892072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117947892072 is an abundant number, since it is smaller than the sum of its proper divisors (186433766808).

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

117947892072 is a wasteful number, since it uses less digits than its factorization.

117947892072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158532153 (or 158532149 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 57.

The spelling of 117947892072 in words is "one hundred seventeen billion, nine hundred forty-seven million, eight hundred ninety-two thousand, seventy-two".