117218108 has 24 divisors (see below), whose sum is σ = 237939072. Its totient is φ = 49485744.

The previous prime is 117218107. The next prime is 117218137. The reversal of 117218108 is 801812711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117218107) by changing a digit.

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, 29366 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (9914128).

Almost surely, 2^117218108 is an apocalyptic number.

It is an amenable number.

117218108 is an abundant number, since it is smaller than the sum of its proper divisors (120720964).

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

117218108 is a wasteful number, since it uses less digits than its factorization.

117218108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62561 (or 62559 counting only the distinct ones).

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

The square root of 117218108 is about 10826.7311779687. The cubic root of 117218108 is about 489.4010563329.

The spelling of 117218108 in words is "one hundred seventeen million, two hundred eighteen thousand, one hundred eight".