117956425928 has 64 divisors (see below), whose sum is σ = 249193739520. Its totient is φ = 51880046400.

The previous prime is 117956425921. The next prime is 117956425933. The reversal of 117956425928 is 829524659711.

It is a super-2 number, since 2×117956425928² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117956425921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259223 + ... + 550553.

It is an arithmetic number, because the mean of its divisors is an integer number (3893652180).

Almost surely, 2^117956425928 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 117956425928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124596869760).

117956425928 is an abundant number, since it is smaller than the sum of its proper divisors (131237313592).

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

117956425928 is a wasteful number, since it uses less digits than its factorization.

117956425928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291498 (or 291494 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 59.

The spelling of 117956425928 in words is "one hundred seventeen billion, nine hundred fifty-six million, four hundred twenty-five thousand, nine hundred twenty-eight".