799819243 has 2 divisors, whose sum is σ = 799819244. Its totient is φ = 799819242.

The previous prime is 799819211. The next prime is 799819249. The reversal of 799819243 is 342918997.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 799819243 - 2⁵ = 799819211 is a prime.

It is not a weakly prime, because it can be changed into another prime (799819249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399909621 + 399909622.

It is an arithmetic number, because the mean of its divisors is an integer number (399909622).

Almost surely, 2^799819243 is an apocalyptic number.

799819243 is a deficient number, since it is larger than the sum of its proper divisors (1).

799819243 is an equidigital number, since it uses as much as digits as its factorization.

799819243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 799819243 is about 28281.0757044353. The cubic root of 799819243 is about 928.2478448167.

The spelling of 799819243 in words is "seven hundred ninety-nine million, eight hundred nineteen thousand, two hundred forty-three".