113775863 has 2 divisors, whose sum is σ = 113775864. Its totient is φ = 113775862.

The previous prime is 113775799. The next prime is 113775899. The reversal of 113775863 is 368577311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113775863 - 2⁶ = 113775799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113775863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113775163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56887931 + 56887932.

It is an arithmetic number, because the mean of its divisors is an integer number (56887932).

Almost surely, 2^113775863 is an apocalyptic number.

113775863 is a deficient number, since it is larger than the sum of its proper divisors (1).

113775863 is an equidigital number, since it uses as much as digits as its factorization.

113775863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 113775863 is about 10666.5769110807. The cubic root of 113775863 is about 484.5627731394.

The spelling of 113775863 in words is "one hundred thirteen million, seven hundred seventy-five thousand, eight hundred sixty-three".