117890216 has 8 divisors (see below), whose sum is σ = 221044170. Its totient is φ = 58945104.

The previous prime is 117890197. The next prime is 117890237. The reversal of 117890216 is 612098711.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 18887716 = 9950^2 + 4346^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7368131 + ... + 7368146.

Almost surely, 2^117890216 is an apocalyptic number.

It is an amenable number.

117890216 is a deficient number, since it is larger than the sum of its proper divisors (103153954).

117890216 is a wasteful number, since it uses less digits than its factorization.

117890216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736283 (or 14736279 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 117890216 is about 10857.7260971163. The cubic root of 117890216 is about 490.3346540779.

The spelling of 117890216 in words is "one hundred seventeen million, eight hundred ninety thousand, two hundred sixteen".