799000999 has 2 divisors, whose sum is σ = 799001000. Its totient is φ = 799000998.

The previous prime is 799000991. The next prime is 799001029. The reversal of 799000999 is 999000997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 799000999 - 2³ = 799000991 is a prime.

799000999 is a modest number, since divided by 999 gives 799 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799000991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399500499 + 399500500.

It is an arithmetic number, because the mean of its divisors is an integer number (399500500).

Almost surely, 2^799000999 is an apocalyptic number.

799000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

799000999 is an equidigital number, since it uses as much as digits as its factorization.

799000999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 413343, while the sum is 52.

The square root of 799000999 is about 28266.6057212393. The cubic root of 799000999 is about 927.9311931092.

The spelling of 799000999 in words is "seven hundred ninety-nine million, nine hundred ninety-nine", and thus it is an aban number.