117785558 has 8 divisors (see below), whose sum is σ = 192740040. Its totient is φ = 53538880.

The previous prime is 117785527. The next prime is 117785609. The reversal of 117785558 is 855587711.

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

It is a super-3 number, since 3×117785558³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676923 + ... + 2676966.

It is an arithmetic number, because the mean of its divisors is an integer number (24092505).

Almost surely, 2^117785558 is an apocalyptic number.

117785558 is a deficient number, since it is larger than the sum of its proper divisors (74954482).

117785558 is a wasteful number, since it uses less digits than its factorization.

117785558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353902.

The product of its digits is 392000, while the sum is 47.

The square root of 117785558 is about 10852.9055095859. The cubic root of 117785558 is about 490.1895115905.

The spelling of 117785558 in words is "one hundred seventeen million, seven hundred eighty-five thousand, five hundred fifty-eight".