117818575 has 24 divisors (see below), whose sum is σ = 169810560. Its totient is φ = 79413600.

The previous prime is 117818573. The next prime is 117818599. The reversal of 117818575 is 575818711.

It is not a de Polignac number, because 117818575 - 2¹ = 117818573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117818573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4620 + ... + 16030.

It is an arithmetic number, because the mean of its divisors is an integer number (7075440).

Almost surely, 2^117818575 is an apocalyptic number.

117818575 is a deficient number, since it is larger than the sum of its proper divisors (51991985).

117818575 is a wasteful number, since it uses less digits than its factorization.

117818575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11487 (or 11482 counting only the distinct ones).

The product of its digits is 78400, while the sum is 43.

The square root of 117818575 is about 10854.4265164033. The cubic root of 117818575 is about 490.2353097211.

The spelling of 117818575 in words is "one hundred seventeen million, eight hundred eighteen thousand, five hundred seventy-five".