798632617 has 2 divisors, whose sum is σ = 798632618. Its totient is φ = 798632616.

The previous prime is 798632603. The next prime is 798632663. The reversal of 798632617 is 716236897.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404371881 + 394260736 = 20109^2 + 19856^2 .

It is an emirp because it is prime and its reverse (716236897) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798632617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (798632677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399316308 + 399316309.

It is an arithmetic number, because the mean of its divisors is an integer number (399316309).

Almost surely, 2^798632617 is an apocalyptic number.

It is an amenable number.

798632617 is a deficient number, since it is larger than the sum of its proper divisors (1).

798632617 is an equidigital number, since it uses as much as digits as its factorization.

798632617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 798632617 is about 28260.0887648995. The cubic root of 798632617 is about 927.7885626256.

The spelling of 798632617 in words is "seven hundred ninety-eight million, six hundred thirty-two thousand, six hundred seventeen".