117868293 has 24 divisors (see below), whose sum is σ = 186091776. Its totient is φ = 71568000.

The previous prime is 117868277. The next prime is 117868301. The reversal of 117868293 is 392868711.

It is not a de Polignac number, because 117868293 - 2⁴ = 117868277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117868213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7683 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (7753824).

Almost surely, 2^117868293 is an apocalyptic number.

It is an amenable number.

117868293 is a deficient number, since it is larger than the sum of its proper divisors (68223483).

117868293 is a wasteful number, since it uses less digits than its factorization.

117868293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24905 (or 24902 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 117868293 is about 10856.7164925681. The cubic root of 117868293 is about 490.3042577951.

The spelling of 117868293 in words is "one hundred seventeen million, eight hundred sixty-eight thousand, two hundred ninety-three".