117755517 has 16 divisors (see below), whose sum is σ = 171648000. Its totient is φ = 71214000.

The previous prime is 117755509. The next prime is 117755527. The reversal of 117755517 is 715557711.

It is not a de Polignac number, because 117755517 - 2³ = 117755509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117755527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12892 + ... + 20042.

It is an arithmetic number, because the mean of its divisors is an integer number (10728000).

Almost surely, 2^117755517 is an apocalyptic number.

It is an amenable number.

117755517 is a deficient number, since it is larger than the sum of its proper divisors (53892483).

117755517 is a wasteful number, since it uses less digits than its factorization.

117755517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664.

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

The square root of 117755517 is about 10851.5214140691. The cubic root of 117755517 is about 490.1478340553.

The spelling of 117755517 in words is "one hundred seventeen million, seven hundred fifty-five thousand, five hundred seventeen".