798608644697 has 2 divisors, whose sum is σ = 798608644698. Its totient is φ = 798608644696.

The previous prime is 798608644693. The next prime is 798608644721. The reversal of 798608644697 is 796446806897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785534780416 + 13073864281 = 886304^2 + 114341^2 .

It is a cyclic number.

It is not a de Polignac number, because 798608644697 - 2² = 798608644693 is a prime.

It is not a weakly prime, because it can be changed into another prime (798608644693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399304322348 + 399304322349.

It is an arithmetic number, because the mean of its divisors is an integer number (399304322349).

Almost surely, 2^798608644697 is an apocalyptic number.

It is an amenable number.

798608644697 is a deficient number, since it is larger than the sum of its proper divisors (1).

798608644697 is an equidigital number, since it uses as much as digits as its factorization.

798608644697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 877879296, while the sum is 74.

The spelling of 798608644697 in words is "seven hundred ninety-eight billion, six hundred eight million, six hundred forty-four thousand, six hundred ninety-seven".