117645593 has 8 divisors (see below), whose sum is σ = 134148168. Its totient is φ = 102207744.

The previous prime is 117645581. The next prime is 117645601. The reversal of 117645593 is 395546711.

It can be written as a sum of positive squares in 4 ways, for example, as 37847104 + 79798489 = 6152^2 + 8933^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 117645593 - 2⁸ = 117645337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117645593.

It is not an unprimeable number, because it can be changed into a prime (117645193) 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, 265946 + ... + 266387.

It is an arithmetic number, because the mean of its divisors is an integer number (16768521).

Almost surely, 2^117645593 is an apocalyptic number.

117645593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117645593 is a deficient number, since it is larger than the sum of its proper divisors (16502575).

117645593 is a wasteful number, since it uses less digits than its factorization.

117645593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532363.

The product of its digits is 113400, while the sum is 41.

The square root of 117645593 is about 10846.4553195964. The cubic root of 117645593 is about 489.9952699807.

The spelling of 117645593 in words is "one hundred seventeen million, six hundred forty-five thousand, five hundred ninety-three".