117957987800 has 24 divisors (see below), whose sum is σ = 274252322100. Its totient is φ = 47183195040.

The previous prime is 117957987781. The next prime is 117957987803. The reversal of 117957987800 is 8789759711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117957987803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294894770 + ... + 294895169.

Almost surely, 2^117957987800 is an apocalyptic number.

117957987800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117957987800 is an abundant number, since it is smaller than the sum of its proper divisors (156294334300).

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

117957987800 is a wasteful number, since it uses less digits than its factorization.

117957987800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589789955 (or 589789946 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 62.

The spelling of 117957987800 in words is "one hundred seventeen billion, nine hundred fifty-seven million, nine hundred eighty-seven thousand, eight hundred".