117256854 has 64 divisors (see below), whose sum is σ = 291755520. Its totient is φ = 30865920.

The previous prime is 117256819. The next prime is 117256861. The reversal of 117256854 is 458652711.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 10567 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (4558680).

Almost surely, 2^117256854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117256854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145877760).

117256854 is an abundant number, since it is smaller than the sum of its proper divisors (174498666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117256854 is a wasteful number, since it uses less digits than its factorization.

117256854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085.

The product of its digits is 67200, while the sum is 39.

The square root of 117256854 is about 10828.5203975428. The cubic root of 117256854 is about 489.4549736122.

The spelling of 117256854 in words is "one hundred seventeen million, two hundred fifty-six thousand, eight hundred fifty-four".