117775 has 12 divisors (see below), whose sum is σ = 167152. Its totient is φ = 80640.

The previous prime is 117773. The next prime is 117779. The reversal of 117775 is 577711.

It is not a de Polignac number, because 117775 - 2¹ = 117773 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162 + ... + 511.

117775 is a Friedman number, since it can be written as 7*(11+7^5+7), using all its digits and the basic arithmetic operations.

2¹¹⁷⁷⁷⁵ is an apocalyptic number.

117775 is a deficient number, since it is larger than the sum of its proper divisors (49377).

117775 is an equidigital number, since it uses as much as digits as its factorization.

117775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 685 counting only the distinct ones).

The product of its digits is 1715, while the sum is 28.

The square root of 117775 is about 343.1836243179. The cubic root of 117775 is about 49.0174864703.

It can be divided in two parts, 11777 and 5, that multiplied together give a palindrome (58885).

The spelling of 117775 in words is "one hundred seventeen thousand, seven hundred seventy-five".