117708289218 has 48 divisors (see below), whose sum is σ = 282075740856. Its totient is φ = 35239069440.

The previous prime is 117708289217. The next prime is 117708289267. The reversal of 117708289218 is 812982807711.

It can be written as a sum of positive squares in 4 ways, for example, as 110212712289 + 7495576929 = 331983^2 + 86577^2 .

It is not an unprimeable number, because it can be changed into a prime (117708289217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6789003 + ... + 6806318.

Almost surely, 2^117708289218 is an apocalyptic number.

117708289218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117708289218 is an abundant number, since it is smaller than the sum of its proper divisors (164367451638).

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

117708289218 is a wasteful number, since it uses less digits than its factorization.

117708289218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13595379 (or 13595376 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 54.

The spelling of 117708289218 in words is "one hundred seventeen billion, seven hundred eight million, two hundred eighty-nine thousand, two hundred eighteen".