116609859 has 24 divisors (see below), whose sum is σ = 177886800. Its totient is φ = 73609344.

The previous prime is 116609849. The next prime is 116609861. The reversal of 116609859 is 958906611.

It is not a de Polignac number, because 116609859 - 2⁵ = 116609827 is a prime.

It is a super-3 number, since 3×116609859³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (116609809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60787 + ... + 62675.

It is an arithmetic number, because the mean of its divisors is an integer number (7411950).

Almost surely, 2^116609859 is an apocalyptic number.

116609859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

116609859 is a deficient number, since it is larger than the sum of its proper divisors (61276941).

116609859 is an equidigital number, since it uses as much as digits as its factorization.

116609859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 116609859 is about 10798.6044931741. The cubic root of 116609859 is about 488.5530813216.

The spelling of 116609859 in words is "one hundred sixteen million, six hundred nine thousand, eight hundred fifty-nine".