8043238799 has 2 divisors, whose sum is σ = 8043238800. Its totient is φ = 8043238798.

The previous prime is 8043238717. The next prime is 8043238807. The reversal of 8043238799 is 9978323408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8043238799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8043238799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8043238499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021619399 + 4021619400.

It is an arithmetic number, because the mean of its divisors is an integer number (4021619400).

Almost surely, 2^8043238799 is an apocalyptic number.

8043238799 is a deficient number, since it is larger than the sum of its proper divisors (1).

8043238799 is an equidigital number, since it uses as much as digits as its factorization.

8043238799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 8043238799 is about 89684.1056096341. The cubic root of 8043238799 is about 2003.5967610275.

The spelling of 8043238799 in words is "eight billion, forty-three million, two hundred thirty-eight thousand, seven hundred ninety-nine".