8113555699 has 2 divisors, whose sum is σ = 8113555700. Its totient is φ = 8113555698.

The previous prime is 8113555679. The next prime is 8113555717. The reversal of 8113555699 is 9965553118.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8113555699 is a prime.

It is not a weakly prime, because it can be changed into another prime (8113555669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056777849 + 4056777850.

It is an arithmetic number, because the mean of its divisors is an integer number (4056777850).

Almost surely, 2^8113555699 is an apocalyptic number.

8113555699 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113555699 is an equidigital number, since it uses as much as digits as its factorization.

8113555699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 52.

The square root of 8113555699 is about 90075.2779568290. The cubic root of 8113555699 is about 2009.4185507417.

The spelling of 8113555699 in words is "eight billion, one hundred thirteen million, five hundred fifty-five thousand, six hundred ninety-nine".