117840788 has 24 divisors (see below), whose sum is σ = 223792800. Its totient is φ = 53969760.

The previous prime is 117840781. The next prime is 117840803. The reversal of 117840788 is 887048711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117840781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (9324700).

Almost surely, 2^117840788 is an apocalyptic number.

It is an amenable number.

117840788 is a deficient number, since it is larger than the sum of its proper divisors (105952012).

117840788 is a wasteful number, since it uses less digits than its factorization.

117840788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17447 (or 17445 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 117840788 is about 10855.4496912841. The cubic root of 117840788 is about 490.2661167271.

The spelling of 117840788 in words is "one hundred seventeen million, eight hundred forty thousand, seven hundred eighty-eight".