116785 has 4 divisors (see below), whose sum is σ = 140148. Its totient is φ = 93424.

The previous prime is 116747. The next prime is 116789. The reversal of 116785 is 587611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 587611 = 53 ⋅11087.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 47089 = 264^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 116785 - 2⁷ = 116657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11674 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (35037).

2¹¹⁶⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

116785 is a deficient number, since it is larger than the sum of its proper divisors (23363).

116785 is an equidigital number, since it uses as much as digits as its factorization.

116785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23362.

The product of its digits is 1680, while the sum is 28.

The square root of 116785 is about 341.7382038930. The cubic root of 116785 is about 48.8797551425.

The spelling of 116785 in words is "one hundred sixteen thousand, seven hundred eighty-five".