117563880 has 128 divisors (see below), whose sum is σ = 405907200. Its totient is φ = 26683392.

The previous prime is 117563869. The next prime is 117563881. The reversal of 117563880 is 88365711.

It is not an unprimeable number, because it can be changed into a prime (117563881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144916 + ... + 145724.

It is an arithmetic number, because the mean of its divisors is an integer number (3171150).

Almost surely, 2^117563880 is an apocalyptic number.

117563880 is a gapful number since it is divisible by the number (10) 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 117563880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202953600).

117563880 is an abundant number, since it is smaller than the sum of its proper divisors (288343320).

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

117563880 is a wasteful number, since it uses less digits than its factorization.

117563880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 117563880 is about 10842.6878586446. The cubic root of 117563880 is about 489.8817985054.

The spelling of 117563880 in words is "one hundred seventeen million, five hundred sixty-three thousand, eight hundred eighty".