117929216 has 36 divisors (see below), whose sum is σ = 237780564. Its totient is φ = 58368000.

The previous prime is 117929209. The next prime is 117929267. The reversal of 117929216 is 612929711.

It can be written as a sum of positive squares in 2 ways, for example, as 82882816 + 35046400 = 9104^2 + 5920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117929216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23576 + ... + 28136.

Almost surely, 2^117929216 is an apocalyptic number.

117929216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117929216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118890282).

117929216 is an abundant number, since it is smaller than the sum of its proper divisors (119851348).

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

117929216 is an equidigital number, since it uses as much as digits as its factorization.

117929216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678 (or 4664 counting only the distinct ones).

The product of its digits is 13608, while the sum is 38.

The square root of 117929216 is about 10859.5219047617. The cubic root of 117929216 is about 490.3887183415.

The spelling of 117929216 in words is "one hundred seventeen million, nine hundred twenty-nine thousand, two hundred sixteen".