117900216 has 96 divisors (see below), whose sum is σ = 366444000. Its totient is φ = 33546240.

The previous prime is 117900203. The next prime is 117900247. The reversal of 117900216 is 612009711.

It is a self number, because there is not a number n which added to its sum of digits gives 117900216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226036 + ... + 226556.

It is an arithmetic number, because the mean of its divisors is an integer number (3817125).

Almost surely, 2^117900216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117900216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183222000).

117900216 is an abundant number, since it is smaller than the sum of its proper divisors (248543784).

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

117900216 is a wasteful number, since it uses less digits than its factorization.

117900216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 117900216 is about 10858.1865889291. The cubic root of 117900216 is about 490.3485178461.

Adding to 117900216 its reverse (612009711), we get a palindrome (729909927).

The spelling of 117900216 in words is "one hundred seventeen million, nine hundred thousand, two hundred sixteen".