117755257 has 8 divisors (see below), whose sum is σ = 120422016. Its totient is φ = 115095312.

The previous prime is 117755249. The next prime is 117755269. The reversal of 117755257 is 752557711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117755257 - 2³ = 117755249 is a prime.

It is a super-2 number, since 2×117755257² = 27732601102272098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117755237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51378 + ... + 53620.

It is an arithmetic number, because the mean of its divisors is an integer number (15052752).

Almost surely, 2^117755257 is an apocalyptic number.

It is an amenable number.

117755257 is a deficient number, since it is larger than the sum of its proper divisors (2666759).

117755257 is a wasteful number, since it uses less digits than its factorization.

117755257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407.

The product of its digits is 85750, while the sum is 40.

The square root of 117755257 is about 10851.5094341755. The cubic root of 117755257 is about 490.1474733121.

The spelling of 117755257 in words is "one hundred seventeen million, seven hundred fifty-five thousand, two hundred fifty-seven".