799879243 has 2 divisors, whose sum is σ = 799879244. Its totient is φ = 799879242.

The previous prime is 799879237. The next prime is 799879259. The reversal of 799879243 is 342978997.

It is a weak prime.

It is an emirp because it is prime and its reverse (342978997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799879243 - 2²¹ = 797782091 is a prime.

It is not a weakly prime, because it can be changed into another prime (799819243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399939621 + 399939622.

It is an arithmetic number, because the mean of its divisors is an integer number (399939622).

Almost surely, 2^799879243 is an apocalyptic number.

799879243 is a deficient number, since it is larger than the sum of its proper divisors (1).

799879243 is an equidigital number, since it uses as much as digits as its factorization.

799879243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 58.

The square root of 799879243 is about 28282.1364645601. The cubic root of 799879243 is about 928.2710556770.

The spelling of 799879243 in words is "seven hundred ninety-nine million, eight hundred seventy-nine thousand, two hundred forty-three".