798281287 has 2 divisors, whose sum is σ = 798281288. Its totient is φ = 798281286.

The previous prime is 798281261. The next prime is 798281299. The reversal of 798281287 is 782182897.

It is a strong prime.

It is an emirp because it is prime and its reverse (782182897) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798281287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798281987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399140643 + 399140644.

It is an arithmetic number, because the mean of its divisors is an integer number (399140644).

Almost surely, 2^798281287 is an apocalyptic number.

798281287 is a deficient number, since it is larger than the sum of its proper divisors (1).

798281287 is an equidigital number, since it uses as much as digits as its factorization.

798281287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 52.

The square root of 798281287 is about 28253.8720709215. The cubic root of 798281287 is about 927.6524934834.

The spelling of 798281287 in words is "seven hundred ninety-eight million, two hundred eighty-one thousand, two hundred eighty-seven".