798718853 has 2 divisors, whose sum is σ = 798718854. Its totient is φ = 798718852.

The previous prime is 798718847. The next prime is 798718883. The reversal of 798718853 is 358817897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484968484 + 313750369 = 22022^2 + 17713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798718853 is a prime.

It is a super-2 number, since 2×798718853² = 1275903612275271218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798718883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399359426 + 399359427.

It is an arithmetic number, because the mean of its divisors is an integer number (399359427).

Almost surely, 2^798718853 is an apocalyptic number.

It is an amenable number.

798718853 is a deficient number, since it is larger than the sum of its proper divisors (1).

798718853 is an equidigital number, since it uses as much as digits as its factorization.

798718853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 56.

The square root of 798718853 is about 28261.6144797144. The cubic root of 798718853 is about 927.8219554912.

The spelling of 798718853 in words is "seven hundred ninety-eight million, seven hundred eighteen thousand, eight hundred fifty-three".