116817889 has 8 divisors (see below), whose sum is σ = 123153408. Its totient is φ = 110642880.

The previous prime is 116817839. The next prime is 116817893. The reversal of 116817889 is 988718611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116817889 - 2¹⁹ = 116293601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116817839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38632 + ... + 41545.

It is an arithmetic number, because the mean of its divisors is an integer number (15394176).

Almost surely, 2^116817889 is an apocalyptic number.

It is an amenable number.

116817889 is a deficient number, since it is larger than the sum of its proper divisors (6335519).

116817889 is an equidigital number, since it uses as much as digits as its factorization.

116817889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80255.

The product of its digits is 193536, while the sum is 49.

The square root of 116817889 is about 10808.2324641914. The cubic root of 116817889 is about 488.8434321850.

The spelling of 116817889 in words is "one hundred sixteen million, eight hundred seventeen thousand, eight hundred eighty-nine".