117977608 has 64 divisors (see below), whose sum is σ = 262765440. Its totient is φ = 48605184.

The previous prime is 117977591. The next prime is 117977609. The reversal of 117977608 is 806779711.

It is not an unprimeable number, because it can be changed into a prime (117977609) 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, 200691 + ... + 201277.

It is an arithmetic number, because the mean of its divisors is an integer number (4105710).

Almost surely, 2^117977608 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 117977608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131382720).

117977608 is an abundant number, since it is smaller than the sum of its proper divisors (144787832).

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

117977608 is a wasteful number, since it uses less digits than its factorization.

117977608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 46.

The square root of 117977608 is about 10861.7497669574. The cubic root of 117977608 is about 490.4557858204.

It can be divided in two parts, 1179 and 77608, that added together give a palindrome (78787).

The spelling of 117977608 in words is "one hundred seventeen million, nine hundred seventy-seven thousand, six hundred eight".