116785961 has 4 divisors (see below), whose sum is σ = 116923092. Its totient is φ = 116648832.

The previous prime is 116785943. The next prime is 116786011. The reversal of 116785961 is 169587611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96138025 + 20647936 = 9805^2 + 4544^2 .

It is a cyclic number.

It is not a de Polignac number, because 116785961 - 2²² = 112591657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116785901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67280 + ... + 68993.

It is an arithmetic number, because the mean of its divisors is an integer number (29230773).

Almost surely, 2^116785961 is an apocalyptic number.

It is an amenable number.

116785961 is a deficient number, since it is larger than the sum of its proper divisors (137131).

116785961 is an equidigital number, since it uses as much as digits as its factorization.

116785961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137130.

The product of its digits is 90720, while the sum is 44.

The square root of 116785961 is about 10806.7553409893. The cubic root of 116785961 is about 488.7988921596.

The spelling of 116785961 in words is "one hundred sixteen million, seven hundred eighty-five thousand, nine hundred sixty-one".