117858755 has 32 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 77035392.

The previous prime is 117858749. The next prime is 117858781. The reversal of 117858755 is 557858711.

It is not a de Polignac number, because 117858755 - 2¹⁰ = 117857731 is a prime.

It is a super-2 number, since 2×117858755² = 27781372260300050, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83546 + ... + 84944.

It is an arithmetic number, because the mean of its divisors is an integer number (5292000).

Almost surely, 2^117858755 is an apocalyptic number.

117858755 is a deficient number, since it is larger than the sum of its proper divisors (51485245).

117858755 is a wasteful number, since it uses less digits than its factorization.

117858755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its digits is 392000, while the sum is 47.

The square root of 117858755 is about 10856.2772164311. The cubic root of 117858755 is about 490.2910321627.

The spelling of 117858755 in words is "one hundred seventeen million, eight hundred fifty-eight thousand, seven hundred fifty-five".