798799 has 2 divisors, whose sum is σ = 798800. Its totient is φ = 798798.

The previous prime is 798781. The next prime is 798823. The reversal of 798799 is 997897.

It is a weak prime.

It is an emirp because it is prime and its reverse (997897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 798799 - 2¹¹ = 796751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399399 + 399400.

It is an arithmetic number, because the mean of its divisors is an integer number (399400).

2⁷⁹⁸⁷⁹⁹ is an apocalyptic number.

798799 is a deficient number, since it is larger than the sum of its proper divisors (1).

798799 is an equidigital number, since it uses as much as digits as its factorization.

798799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 49.

The square root of 798799 is about 893.7555594233. The cubic root of 798799 is about 92.7852988380.

The spelling of 798799 in words is "seven hundred ninety-eight thousand, seven hundred ninety-nine".