117556585 has 8 divisors (see below), whose sum is σ = 144880776. Its totient is φ = 91503360.

The previous prime is 117556561. The next prime is 117556601. The reversal of 117556585 is 585655711.

It can be written as a sum of positive squares in 4 ways, for example, as 27154521 + 90402064 = 5211^2 + 9508^2 .

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

It is not a de Polignac number, because 117556585 - 2⁹ = 117556073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317536 + ... + 317905.

It is an arithmetic number, because the mean of its divisors is an integer number (18110097).

Almost surely, 2^117556585 is an apocalyptic number.

It is an amenable number.

117556585 is a deficient number, since it is larger than the sum of its proper divisors (27324191).

117556585 is an equidigital number, since it uses as much as digits as its factorization.

117556585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635483.

The product of its digits is 210000, while the sum is 43.

The square root of 117556585 is about 10842.3514515994. The cubic root of 117556585 is about 489.8716656833.

The spelling of 117556585 in words is "one hundred seventeen million, five hundred fifty-six thousand, five hundred eighty-five".