117859775 has 24 divisors (see below), whose sum is σ = 163156224. Its totient is φ = 83714400.

The previous prime is 117859771. The next prime is 117859817. The reversal of 117859775 is 577958711.

It is not a de Polignac number, because 117859775 - 2² = 117859771 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117859771) 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, 6842 + ... + 16808.

It is an arithmetic number, because the mean of its divisors is an integer number (6798176).

Almost surely, 2^117859775 is an apocalyptic number.

117859775 is a deficient number, since it is larger than the sum of its proper divisors (45296449).

117859775 is a wasteful number, since it uses less digits than its factorization.

117859775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031 (or 10026 counting only the distinct ones).

The product of its digits is 617400, while the sum is 50.

The square root of 117859775 is about 10856.3241937591. The cubic root of 117859775 is about 490.2924465546.

The spelling of 117859775 in words is "one hundred seventeen million, eight hundred fifty-nine thousand, seven hundred seventy-five".