117353889 has 27 divisors (see below), whose sum is σ = 178337523. Its totient is φ = 74357712.

The previous prime is 117353867. The next prime is 117353893. The reversal of 117353889 is 988353711.

The square root of 117353889 is 10833.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 82955664 = 5865^2 + 9108^2 .

It is not a de Polignac number, because 117353889 - 2⁹ = 117353377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117353809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 747399 + ... + 747555.

Almost surely, 2^117353889 is an apocalyptic number.

117353889 is the 10833-rd square number.

117353889 is the 5417-th centered octagonal number.

It is an amenable number.

117353889 is a deficient number, since it is larger than the sum of its proper divisors (60983634).

117353889 is an equidigital number, since it uses as much as digits as its factorization.

117353889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 183 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The cubic root of 117353889 is about 489.5899512748.

The spelling of 117353889 in words is "one hundred seventeen million, three hundred fifty-three thousand, eight hundred eighty-nine".