117325218 has 16 divisors (see below), whose sum is σ = 234848736. Its totient is φ = 39075360.

The previous prime is 117325193. The next prime is 117325223. The reversal of 117325218 is 812523711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (14678046).

Almost surely, 2^117325218 is an apocalyptic number.

117325218 is an abundant number, since it is smaller than the sum of its proper divisors (117523518).

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

117325218 is a wasteful number, since it uses less digits than its factorization.

117325218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529.

The product of its digits is 3360, while the sum is 30.

The square root of 117325218 is about 10831.6766015239. The cubic root of 117325218 is about 489.5500770763.

Adding to 117325218 its reverse (812523711), we get a palindrome (929848929).

The spelling of 117325218 in words is "one hundred seventeen million, three hundred twenty-five thousand, two hundred eighteen".