117055887 has 16 divisors (see below), whose sum is σ = 168376320. Its totient is φ = 71907552.

The previous prime is 117055877. The next prime is 117055891. The reversal of 117055887 is 788550711.

It is not a de Polignac number, because 117055887 - 2²² = 112861583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117055867) 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, 22914 + ... + 27552.

It is an arithmetic number, because the mean of its divisors is an integer number (10523520).

Almost surely, 2^117055887 is an apocalyptic number.

117055887 is a deficient number, since it is larger than the sum of its proper divisors (51320433).

117055887 is a wasteful number, since it uses less digits than its factorization.

117055887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302.

The product of its (nonzero) digits is 78400, while the sum is 42.

The square root of 117055887 is about 10819.2368954562. The cubic root of 117055887 is about 489.1751874176.

The spelling of 117055887 in words is "one hundred seventeen million, fifty-five thousand, eight hundred eighty-seven".