117887216 has 10 divisors (see below), whose sum is σ = 228406512. Its totient is φ = 58943600.

The previous prime is 117887207. The next prime is 117887219. The reversal of 117887216 is 612788711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117887219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3683960 + ... + 3683991.

Almost surely, 2^117887216 is an apocalyptic number.

117887216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117887216 is a deficient number, since it is larger than the sum of its proper divisors (110519296).

117887216 is an equidigital number, since it uses as much as digits as its factorization.

117887216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367959 (or 7367953 counting only the distinct ones).

The product of its digits is 37632, while the sum is 41.

The square root of 117887216 is about 10857.5879457640. The cubic root of 117887216 is about 490.3304947945.

The spelling of 117887216 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, two hundred sixteen".