113817863 has 2 divisors, whose sum is σ = 113817864. Its totient is φ = 113817862.

The previous prime is 113817859. The next prime is 113817881. The reversal of 113817863 is 368718311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113817863 - 2² = 113817859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113817853) 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 as a sum of consecutive naturals, namely, 56908931 + 56908932.

It is an arithmetic number, because the mean of its divisors is an integer number (56908932).

Almost surely, 2^113817863 is an apocalyptic number.

113817863 is a deficient number, since it is larger than the sum of its proper divisors (1).

113817863 is an equidigital number, since it uses as much as digits as its factorization.

113817863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 113817863 is about 10668.5454959896. The cubic root of 113817863 is about 484.6223907425.

The spelling of 113817863 in words is "one hundred thirteen million, eight hundred seventeen thousand, eight hundred sixty-three".