117842688 has 90 divisors (see below), whose sum is σ = 351447404. Its totient is φ = 39273984.

The previous prime is 117842663. The next prime is 117842707. The reversal of 117842688 is 886248711.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17895 + ... + 23577.

Almost surely, 2^117842688 is an apocalyptic number.

117842688 is a gapful number since it is divisible by the number (18) 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 117842688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175723702).

117842688 is an abundant number, since it is smaller than the sum of its proper divisors (233604716).

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

117842688 is an frugal number, since it uses more digits than its factorization.

117842688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5688 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 117842688 is about 10855.5372045791. The cubic root of 117842688 is about 490.2687516399.

The spelling of 117842688 in words is "one hundred seventeen million, eight hundred forty-two thousand, six hundred eighty-eight".