798330889 has 2 divisors, whose sum is σ = 798330890. Its totient is φ = 798330888.

The previous prime is 798330779. The next prime is 798330893. The reversal of 798330889 is 988033897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 373146489 = 20620^2 + 19317^2 .

It is a cyclic number.

It is not a de Polignac number, because 798330889 - 2¹⁹ = 797806601 is a prime.

It is not a weakly prime, because it can be changed into another prime (798331889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399165444 + 399165445.

It is an arithmetic number, because the mean of its divisors is an integer number (399165445).

Almost surely, 2^798330889 is an apocalyptic number.

It is an amenable number.

798330889 is a deficient number, since it is larger than the sum of its proper divisors (1).

798330889 is an equidigital number, since it uses as much as digits as its factorization.

798330889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 798330889 is about 28254.7498484768. The cubic root of 798330889 is about 927.6717066215.

The spelling of 798330889 in words is "seven hundred ninety-eight million, three hundred thirty thousand, eight hundred eighty-nine".