798887 has 2 divisors, whose sum is σ = 798888. Its totient is φ = 798886.

The previous prime is 798871. The next prime is 798911. The reversal of 798887 is 788897.

It is a weak prime.

It is an emirp because it is prime and its reverse (788897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 798887 - 2⁴ = 798871 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399443 + 399444.

It is an arithmetic number, because the mean of its divisors is an integer number (399444).

2⁷⁹⁸⁸⁸⁷ is an apocalyptic number.

798887 is a deficient number, since it is larger than the sum of its proper divisors (1).

798887 is an equidigital number, since it uses as much as digits as its factorization.

798887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 47.

The square root of 798887 is about 893.8047885305. The cubic root of 798887 is about 92.7887059556.

The spelling of 798887 in words is "seven hundred ninety-eight thousand, eight hundred eighty-seven".