117354885 has 16 divisors (see below), whose sum is σ = 189141696. Its totient is φ = 62131328.

The previous prime is 117354863. The next prime is 117354889. The reversal of 117354885 is 588453711.

It is a cyclic number.

It is not a de Polignac number, because 117354885 - 2⁶ = 117354821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117354889) 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, 26499 + ... + 30608.

It is an arithmetic number, because the mean of its divisors is an integer number (11821356).

Almost surely, 2^117354885 is an apocalyptic number.

117354885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117354885 is a deficient number, since it is larger than the sum of its proper divisors (71786811).

117354885 is a wasteful number, since it uses less digits than its factorization.

117354885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57252.

The product of its digits is 134400, while the sum is 42.

The square root of 117354885 is about 10833.0459705477. The cubic root of 117354885 is about 489.5913363452.

It can be divided in two parts, 1 and 17354885, that added together give a triangular number (17354886 = T₅₈₉₁).

The spelling of 117354885 in words is "one hundred seventeen million, three hundred fifty-four thousand, eight hundred eighty-five".