116863931 has 2 divisors, whose sum is σ = 116863932. Its totient is φ = 116863930.

The previous prime is 116863907. The next prime is 116863937. The reversal of 116863931 is 139368611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116863931 - 2⁶ = 116863867 is a prime.

It is a super-2 number, since 2×116863931² = 27314356737545522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116863937) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58431965 + 58431966.

It is an arithmetic number, because the mean of its divisors is an integer number (58431966).

Almost surely, 2^116863931 is an apocalyptic number.

116863931 is a deficient number, since it is larger than the sum of its proper divisors (1).

116863931 is an equidigital number, since it uses as much as digits as its factorization.

116863931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 116863931 is about 10810.3622048477. The cubic root of 116863931 is about 488.9076471587.

The spelling of 116863931 in words is "one hundred sixteen million, eight hundred sixty-three thousand, nine hundred thirty-one".