117783808 has 36 divisors (see below), whose sum is σ = 239571108. Its totient is φ = 57774080.

The previous prime is 117783797. The next prime is 117783811. The reversal of 117783808 is 808387711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91240704 + 26543104 = 9552^2 + 5152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9228 + ... + 17908.

It is an arithmetic number, because the mean of its divisors is an integer number (6654753).

Almost surely, 2^117783808 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 117783808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119785554).

117783808 is an abundant number, since it is smaller than the sum of its proper divisors (121787300).

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

117783808 is an frugal number, since it uses more digits than its factorization.

117783808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8750 (or 8736 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 117783808 is about 10852.8248857152. The cubic root of 117783808 is about 490.1870839135.

The spelling of 117783808 in words is "one hundred seventeen million, seven hundred eighty-three thousand, eight hundred eight".