117538788 has 48 divisors (see below), whose sum is σ = 296515520. Its totient is φ = 36111744.

The previous prime is 117538787. The next prime is 117538793. The reversal of 117538788 is 887835711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117538783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470 + ... + 15402.

Almost surely, 2^117538788 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 117538788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148257760).

117538788 is an abundant number, since it is smaller than the sum of its proper divisors (178976732).

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

117538788 is a wasteful number, since it uses less digits than its factorization.

117538788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996 (or 13994 counting only the distinct ones).

The product of its digits is 376320, while the sum is 48.

The square root of 117538788 is about 10841.5307037337. The cubic root of 117538788 is about 489.8469437277.

The spelling of 117538788 in words is "one hundred seventeen million, five hundred thirty-eight thousand, seven hundred eighty-eight".