117108218 has 16 divisors (see below), whose sum is σ = 180679464. Its totient is φ = 56893440.

The previous prime is 117108209. The next prime is 117108239. The reversal of 117108218 is 812801711.

It can be written as a sum of positive squares in 4 ways, for example, as 116488849 + 619369 = 10793^2 + 787^2 .

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, 18296 + ... + 23852.

Almost surely, 2^117108218 is an apocalyptic number.

117108218 is a deficient number, since it is larger than the sum of its proper divisors (63571246).

117108218 is a wasteful number, since it uses less digits than its factorization.

117108218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857.

The product of its (nonzero) digits is 896, while the sum is 29.

The square root of 117108218 is about 10821.6550490209. The cubic root of 117108218 is about 489.2480734369.

Adding to 117108218 its reverse (812801711), we get a palindrome (929909929).

The spelling of 117108218 in words is "one hundred seventeen million, one hundred eight thousand, two hundred eighteen".