117775008 has 144 divisors (see below), whose sum is σ = 365994720. Its totient is φ = 35707392.

The previous prime is 117774971. The next prime is 117775027. The reversal of 117775008 is 800577711.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310563 + ... + 310941.

It is an arithmetic number, because the mean of its divisors is an integer number (2541630).

Almost surely, 2^117775008 is an apocalyptic number.

117775008 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 117775008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182997360).

117775008 is an abundant number, since it is smaller than the sum of its proper divisors (248219712).

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

117775008 is a wasteful number, since it uses less digits than its factorization.

117775008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

The square root of 117775008 is about 10852.4194537439. The cubic root of 117775008 is about 490.1748758014.

The spelling of 117775008 in words is "one hundred seventeen million, seven hundred seventy-five thousand, eight".