117989595 has 32 divisors (see below), whose sum is σ = 214885440. Its totient is φ = 61390080.

The previous prime is 117989593. The next prime is 117989621. The reversal of 117989595 is 595989711.

It is not a de Polignac number, because 117989595 - 2¹ = 117989593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117989593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5124 + ... + 16193.

It is an arithmetic number, because the mean of its divisors is an integer number (6715170).

Almost surely, 2^117989595 is an apocalyptic number.

117989595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117989595 is a deficient number, since it is larger than the sum of its proper divisors (96895845).

117989595 is a wasteful number, since it uses less digits than its factorization.

117989595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21372 (or 21366 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 54.

The square root of 117989595 is about 10862.3015516970. The cubic root of 117989595 is about 490.4723960188.

The spelling of 117989595 in words is "one hundred seventeen million, nine hundred eighty-nine thousand, five hundred ninety-five".