117458775 has 48 divisors (see below), whose sum is σ = 246611200. Its totient is φ = 53693280.

The previous prime is 117458771. The next prime is 117458807. The reversal of 117458775 is 577854711.

It is not a de Polignac number, because 117458775 - 2² = 117458771 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 117458775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117458771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7705 + ... + 17154.

Almost surely, 2^117458775 is an apocalyptic number.

117458775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117458775 is an abundant number, since it is smaller than the sum of its proper divisors (129152425).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117458775 is a wasteful number, since it uses less digits than its factorization.

117458775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24885 (or 24874 counting only the distinct ones).

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

The square root of 117458775 is about 10837.8399600658. The cubic root of 117458775 is about 489.7357661860.

The spelling of 117458775 in words is "one hundred seventeen million, four hundred fifty-eight thousand, seven hundred seventy-five".