117830784 has 64 divisors (see below), whose sum is σ = 316844640. Its totient is φ = 38793216.

The previous prime is 117830773. The next prime is 117830789. The reversal of 117830784 is 487038711.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (117830789) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30024 + ... + 33720.

Almost surely, 2^117830784 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 117830784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158422320).

117830784 is an abundant number, since it is smaller than the sum of its proper divisors (199013856).

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

117830784 is an equidigital number, since it uses as much as digits as its factorization.

117830784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 117830784 is about 10854.9888991192. The cubic root of 117830784 is about 490.2522427504.

The spelling of 117830784 in words is "one hundred seventeen million, eight hundred thirty thousand, seven hundred eighty-four".