117755715 has 64 divisors (see below), whose sum is σ = 240463872. Its totient is φ = 47779200.

The previous prime is 117755713. The next prime is 117755767. The reversal of 117755715 is 517557711.

It is not a de Polignac number, because 117755715 - 2¹ = 117755713 is a prime.

It is a super-2 number, since 2×117755715² = 27732816830322450, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (117755713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48480 + ... + 50850.

It is an arithmetic number, because the mean of its divisors is an integer number (3757248).

Almost surely, 2^117755715 is an apocalyptic number.

117755715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117755715 is an abundant number, since it is smaller than the sum of its proper divisors (122708157).

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

117755715 is a wasteful number, since it uses less digits than its factorization.

117755715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its digits is 42875, while the sum is 39.

The square root of 117755715 is about 10851.5305372099. The cubic root of 117755715 is about 490.1481087748.

The spelling of 117755715 in words is "one hundred seventeen million, seven hundred fifty-five thousand, seven hundred fifteen".