798818291 has 2 divisors, whose sum is σ = 798818292. Its totient is φ = 798818290.

The previous prime is 798818263. The next prime is 798818297. The reversal of 798818291 is 192818897.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798818291 is a prime.

It is a super-2 number, since 2×798818291² = 1276221324072321362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (798818297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399409145 + 399409146.

It is an arithmetic number, because the mean of its divisors is an integer number (399409146).

Almost surely, 2^798818291 is an apocalyptic number.

798818291 is a deficient number, since it is larger than the sum of its proper divisors (1).

798818291 is an equidigital number, since it uses as much as digits as its factorization.

798818291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 53.

The square root of 798818291 is about 28263.3736662841. The cubic root of 798818291 is about 927.8604575377.

The spelling of 798818291 in words is "seven hundred ninety-eight million, eight hundred eighteen thousand, two hundred ninety-one".