117747216 has 40 divisors (see below), whose sum is σ = 337979360. Its totient is φ = 39248928.

The previous prime is 117747211. The next prime is 117747229. The reversal of 117747216 is 612747711.

117747216 is a `hidden beast` number, since 1 + 177 + 472 + 16 = 666.

It is a super-3 number, since 3×117747216³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (117747211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135850 + ... + 136713.

It is an arithmetic number, because the mean of its divisors is an integer number (8449484).

Almost surely, 2^117747216 is an apocalyptic number.

117747216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117747216 is an abundant number, since it is smaller than the sum of its proper divisors (220232144).

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

117747216 is a wasteful number, since it uses less digits than its factorization.

117747216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272580 (or 272568 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 117747216 is about 10851.1389263985. The cubic root of 117747216 is about 490.1363163705.

The spelling of 117747216 in words is "one hundred seventeen million, seven hundred forty-seven thousand, two hundred sixteen".