116568785 has 4 divisors (see below), whose sum is σ = 139882548. Its totient is φ = 93255024.

The previous prime is 116568763. The next prime is 116568787. The reversal of 116568785 is 587865611.

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: 587865611 = 139 ⋅4229249.

It can be written as a sum of positive squares in 2 ways, for example, as 16008001 + 100560784 = 4001^2 + 10028^2 .

It is a cyclic number.

It is not a de Polignac number, because 116568785 - 2⁶ = 116568721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116568787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11656874 + ... + 11656883.

It is an arithmetic number, because the mean of its divisors is an integer number (34970637).

Almost surely, 2^116568785 is an apocalyptic number.

It is an amenable number.

116568785 is a deficient number, since it is larger than the sum of its proper divisors (23313763).

116568785 is an equidigital number, since it uses as much as digits as its factorization.

116568785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23313762.

The product of its digits is 403200, while the sum is 47.

The square root of 116568785 is about 10796.7025058580. The cubic root of 116568785 is about 488.4957128567.

The spelling of 116568785 in words is "one hundred sixteen million, five hundred sixty-eight thousand, seven hundred eighty-five".