117579888 has 120 divisors (see below), whose sum is σ = 356838768. Its totient is φ = 35997696.

The previous prime is 117579881. The next prime is 117579893. The reversal of 117579888 is 888975711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117579881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104706 + ... + 105822.

Almost surely, 2^117579888 is an apocalyptic number.

117579888 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 117579888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178419384).

117579888 is an abundant number, since it is smaller than the sum of its proper divisors (239258880).

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

117579888 is a wasteful number, since it uses less digits than its factorization.

117579888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1182 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 54.

The square root of 117579888 is about 10843.4260268607. The cubic root of 117579888 is about 489.9040322955.

The spelling of 117579888 in words is "one hundred seventeen million, five hundred seventy-nine thousand, eight hundred eighty-eight".