799257619 has 2 divisors, whose sum is σ = 799257620. Its totient is φ = 799257618.

The previous prime is 799257617. The next prime is 799257631. The reversal of 799257619 is 916752997.

It is a weak prime.

It is an emirp because it is prime and its reverse (916752997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799257619 - 2¹ = 799257617 is a prime.

It is a super-2 number, since 2×799257619² = 1277625483059098322, which contains 22 as substring.

Together with 799257617, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 799257619.

It is not a weakly prime, because it can be changed into another prime (799257611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399628809 + 399628810.

It is an arithmetic number, because the mean of its divisors is an integer number (399628810).

Almost surely, 2^799257619 is an apocalyptic number.

799257619 is a deficient number, since it is larger than the sum of its proper divisors (1).

799257619 is an equidigital number, since it uses as much as digits as its factorization.

799257619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 55.

The square root of 799257619 is about 28271.1446354759. The cubic root of 799257619 is about 928.0305255732.

The spelling of 799257619 in words is "seven hundred ninety-nine million, two hundred fifty-seven thousand, six hundred nineteen".