117564855 has 8 divisors (see below), whose sum is σ = 188103792. Its totient is φ = 62701248.

The previous prime is 117564851. The next prime is 117564871. The reversal of 117564855 is 558465711.

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

It is not a de Polignac number, because 117564855 - 2² = 117564851 is a prime.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117564851) 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, 3918814 + ... + 3918843.

It is an arithmetic number, because the mean of its divisors is an integer number (23512974).

Almost surely, 2^117564855 is an apocalyptic number.

117564855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117564855 is a deficient number, since it is larger than the sum of its proper divisors (70538937).

117564855 is an equidigital number, since it uses as much as digits as its factorization.

117564855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837665.

The product of its digits is 168000, while the sum is 42.

The square root of 117564855 is about 10842.7328197277. The cubic root of 117564855 is about 489.8831527576.

The spelling of 117564855 in words is "one hundred seventeen million, five hundred sixty-four thousand, eight hundred fifty-five".