117789 has 16 divisors (see below), whose sum is σ = 184320. Its totient is φ = 65520.

The previous prime is 117787. The next prime is 117797. The reversal of 117789 is 987711.

It is not a de Polignac number, because 117789 - 2¹ = 117787 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 7² + 7⁶ + 8 + 9² .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2¹¹⁷⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

117789 is a deficient number, since it is larger than the sum of its proper divisors (66531).

117789 is an equidigital number, since it uses as much as digits as its factorization.

117789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its digits is 3528, while the sum is 33.

The square root of 117789 is about 343.2040209555. The cubic root of 117789 is about 49.0194286414.

The spelling of 117789 in words is "one hundred seventeen thousand, seven hundred eighty-nine".