117927888 has 80 divisors (see below), whose sum is σ = 335145216. Its totient is φ = 35504640.

The previous prime is 117927883. The next prime is 117927899. The reversal of 117927888 is 888729711.

It is a self number, because there is not a number n which added to its sum of digits gives 117927888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117927883) 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, 27318 + ... + 31338.

Almost surely, 2^117927888 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 117927888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167572608).

117927888 is an abundant number, since it is smaller than the sum of its proper divisors (217217328).

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

117927888 is a wasteful number, since it uses less digits than its factorization.

117927888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092 (or 4086 counting only the distinct ones).

The product of its digits is 451584, while the sum is 51.

The square root of 117927888 is about 10859.4607600930. The cubic root of 117927888 is about 490.3868775801.

It can be divided in two parts, 11792788 and 8, that added together give a triangular number (11792796 = T₄₈₅₆).

The spelling of 117927888 in words is "one hundred seventeen million, nine hundred twenty-seven thousand, eight hundred eighty-eight".