117808216 has 8 divisors (see below), whose sum is σ = 220890420. Its totient is φ = 58904104.

The previous prime is 117808213. The next prime is 117808217. The reversal of 117808216 is 612808711.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117808213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7363006 + ... + 7363021.

Almost surely, 2^117808216 is an apocalyptic number.

It is an amenable number.

117808216 is a deficient number, since it is larger than the sum of its proper divisors (103082204).

117808216 is a wasteful number, since it uses less digits than its factorization.

117808216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14726033 (or 14726029 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 117808216 is about 10853.9493273186. The cubic root of 117808216 is about 490.2209415950.

The spelling of 117808216 in words is "one hundred seventeen million, eight hundred eight thousand, two hundred sixteen".