116775999 has 10 divisors (see below), whose sum is σ = 174443280. Its totient is φ = 77850612.

The previous prime is 116775973. The next prime is 116776057. The reversal of 116775999 is 999577611.

It is a happy number.

It is not a de Polignac number, because 116775999 - 2²⁴ = 99998783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116775599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 720759 + ... + 720920.

It is an arithmetic number, because the mean of its divisors is an integer number (17444328).

Almost surely, 2^116775999 is an apocalyptic number.

116775999 is a deficient number, since it is larger than the sum of its proper divisors (57667281).

116775999 is an equidigital number, since it uses as much as digits as its factorization.

116775999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441691 (or 1441682 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 54.

The square root of 116775999 is about 10806.2944157560. The cubic root of 116775999 is about 488.7849933627.

The spelling of 116775999 in words is "one hundred sixteen million, seven hundred seventy-five thousand, nine hundred ninety-nine".