117898732224 has 588 divisors, whose sum is σ = 439540034304. Its totient is φ = 31086332928.

The previous prime is 117898732207. The next prime is 117898732243. The reversal of 117898732224 is 422237898711.

It is a tau number, because it is divible by the number of its divisors (588).

It is a super-2 number, since 2×117898732224² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 29717889 + ... + 29721855.

Almost surely, 2^117898732224 is an apocalyptic number.

117898732224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117898732224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219770017152).

117898732224 is an abundant number, since it is smaller than the sum of its proper divisors (321641302080).

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

117898732224 is an equidigital number, since it uses as much as digits as its factorization.

117898732224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 3992 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 117898732224 in words is "one hundred seventeen billion, eight hundred ninety-eight million, seven hundred thirty-two thousand, two hundred twenty-four".