117603687 has 4 divisors (see below), whose sum is σ = 156804920. Its totient is φ = 78402456.

The previous prime is 117603679. The next prime is 117603691. The reversal of 117603687 is 786306711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117603687 - 2³ = 117603679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117613687) 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, 19600612 + ... + 19600617.

It is an arithmetic number, because the mean of its divisors is an integer number (39201230).

Almost surely, 2^117603687 is an apocalyptic number.

117603687 is a deficient number, since it is larger than the sum of its proper divisors (39201233).

117603687 is an equidigital number, since it uses as much as digits as its factorization.

117603687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39201232.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 117603687 is about 10844.5233643531. The cubic root of 117603687 is about 489.9370834114.

The spelling of 117603687 in words is "one hundred seventeen million, six hundred three thousand, six hundred eighty-seven".