118317888 has 224 divisors, whose sum is σ = 392582400. Its totient is φ = 34670592.

The previous prime is 118317887. The next prime is 118317907. The reversal of 118317888 is 888713811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118317887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516558 + ... + 516786.

It is an arithmetic number, because the mean of its divisors is an integer number (1752600).

Almost surely, 2^118317888 is an apocalyptic number.

118317888 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 118317888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196291200).

118317888 is an abundant number, since it is smaller than the sum of its proper divisors (274264512).

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

118317888 is a wasteful number, since it uses less digits than its factorization.

118317888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 270 counting only the distinct ones).

The product of its digits is 86016, while the sum is 45.

The square root of 118317888 is about 10877.4026311432. The cubic root of 118317888 is about 490.9268698387.

The spelling of 118317888 in words is "one hundred eighteen million, three hundred seventeen thousand, eight hundred eighty-eight".