117255765 has 16 divisors (see below), whose sum is σ = 204664896. Its totient is φ = 56851200.

The previous prime is 117255751. The next prime is 117255773. The reversal of 117255765 is 567552711.

It is not a de Polignac number, because 117255765 - 2²⁴ = 100478549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355156 + ... + 355485.

It is an arithmetic number, because the mean of its divisors is an integer number (12791556).

Almost surely, 2^117255765 is an apocalyptic number.

117255765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117255765 is a deficient number, since it is larger than the sum of its proper divisors (87409131).

117255765 is a wasteful number, since it uses less digits than its factorization.

117255765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710660.

The product of its digits is 73500, while the sum is 39.

The square root of 117255765 is about 10828.4701135479. The cubic root of 117255765 is about 489.4534583685.

The spelling of 117255765 in words is "one hundred seventeen million, two hundred fifty-five thousand, seven hundred sixty-five".