117745875 has 96 divisors (see below), whose sum is σ = 233722944. Its totient is φ = 56678400.

The previous prime is 117745853. The next prime is 117745879. The reversal of 117745875 is 578547711.

It is a de Polignac number, because none of the positive numbers 2^k-117745875 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117745875.

It is not an unprimeable number, because it can be changed into a prime (117745879) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1213827 + ... + 1213923.

It is an arithmetic number, because the mean of its divisors is an integer number (2434614).

Almost surely, 2^117745875 is an apocalyptic number.

117745875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117745875 is a deficient number, since it is larger than the sum of its proper divisors (115977069).

117745875 is a wasteful number, since it uses less digits than its factorization.

117745875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 201 counting only the distinct ones).

The product of its digits is 274400, while the sum is 45.

The square root of 117745875 is about 10851.0771354737. The cubic root of 117745875 is about 490.1344556746.

The spelling of 117745875 in words is "one hundred seventeen million, seven hundred forty-five thousand, eight hundred seventy-five".