8113999 has 2 divisors, whose sum is σ = 8114000. Its totient is φ = 8113998.

The previous prime is 8113993. The next prime is 8114021. The reversal of 8113999 is 9993118.

8113999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8113999 - 2⁵ = 8113967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8113993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056999 + 4057000.

It is an arithmetic number, because the mean of its divisors is an integer number (4057000).

Almost surely, 2^8113999 is an apocalyptic number.

8113999 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113999 is an equidigital number, since it uses as much as digits as its factorization.

8113999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 40.

The square root of 8113999 is about 2848.5082060616. The cubic root of 8113999 is about 200.9455146330.

The spelling of 8113999 in words is "eight million, one hundred thirteen thousand, nine hundred ninety-nine".