116686843 has 32 divisors (see below), whose sum is σ = 151151616. Its totient is φ = 87550848.

The previous prime is 116686831. The next prime is 116686849. The reversal of 116686843 is 348686611.

It is a happy number.

It is not a de Polignac number, because 116686843 - 2⁵ = 116686811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116686843.

It is not an unprimeable number, because it can be changed into a prime (116686849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412180 + ... + 412462.

It is an arithmetic number, because the mean of its divisors is an integer number (4723488).

Almost surely, 2^116686843 is an apocalyptic number.

116686843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

116686843 is a deficient number, since it is larger than the sum of its proper divisors (34464773).

116686843 is a wasteful number, since it uses less digits than its factorization.

116686843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its digits is 165888, while the sum is 43.

The square root of 116686843 is about 10802.1684397162. The cubic root of 116686843 is about 488.6605693650.

The spelling of 116686843 in words is "one hundred sixteen million, six hundred eighty-six thousand, eight hundred forty-three".