117844975 has 12 divisors (see below), whose sum is σ = 146423416. Its totient is φ = 94085280.

The previous prime is 117844957. The next prime is 117844999. The reversal of 117844975 is 579448711.

It is a happy number.

It is not a de Polignac number, because 117844975 - 2⁵ = 117844943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8569 + ... + 17581.

Almost surely, 2^117844975 is an apocalyptic number.

117844975 is a deficient number, since it is larger than the sum of its proper divisors (28578441).

117844975 is an equidigital number, since it uses as much as digits as its factorization.

117844975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546 (or 9541 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The square root of 117844975 is about 10855.6425420147. The cubic root of 117844975 is about 490.2719232054.

The spelling of 117844975 in words is "one hundred seventeen million, eight hundred forty-four thousand, nine hundred seventy-five".