791899 has 2 divisors, whose sum is σ = 791900. Its totient is φ = 791898.

The previous prime is 791897. The next prime is 791909. The reversal of 791899 is 998197.

791899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (998197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791899 - 2¹ = 791897 is a prime.

Together with 791897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (791891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395949 + 395950.

It is an arithmetic number, because the mean of its divisors is an integer number (395950).

2⁷⁹¹⁸⁹⁹ is an apocalyptic number.

791899 is a deficient number, since it is larger than the sum of its proper divisors (1).

791899 is an equidigital number, since it uses as much as digits as its factorization.

791899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 43.

The square root of 791899 is about 889.8870714872. The cubic root of 791899 is about 92.5173670824.

The spelling of 791899 in words is "seven hundred ninety-one thousand, eight hundred ninety-nine".