117707986 has 8 divisors (see below), whose sum is σ = 192613104. Its totient is φ = 53503620.

The previous prime is 117707981. The next prime is 117707999. The reversal of 117707986 is 689707711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (117707981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675160 + ... + 2675203.

It is an arithmetic number, because the mean of its divisors is an integer number (24076638).

Almost surely, 2^117707986 is an apocalyptic number.

117707986 is a deficient number, since it is larger than the sum of its proper divisors (74905118).

117707986 is a wasteful number, since it uses less digits than its factorization.

117707986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350376.

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

The square root of 117707986 is about 10849.3311314569. The cubic root of 117707986 is about 490.0818771967.

The spelling of 117707986 in words is "one hundred seventeen million, seven hundred seven thousand, nine hundred eighty-six".