799873 has 2 divisors, whose sum is σ = 799874. Its totient is φ = 799872.

The previous prime is 799859. The next prime is 799891. The reversal of 799873 is 378997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620944 + 178929 = 788^2 + 423^2 .

It is an emirp because it is prime and its reverse (378997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799873 - 2⁹ = 799361 is a prime.

It is a super-2 number, since 2×799873² = 1279593632258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (799853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399936 + 399937.

It is an arithmetic number, because the mean of its divisors is an integer number (399937).

2⁷⁹⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

799873 is a deficient number, since it is larger than the sum of its proper divisors (1).

799873 is an equidigital number, since it uses as much as digits as its factorization.

799873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 799873 is about 894.3561930238. The cubic root of 799873 is about 92.8268640641.

The spelling of 799873 in words is "seven hundred ninety-nine thousand, eight hundred seventy-three".