8486344817 has 2 divisors, whose sum is σ = 8486344818. Its totient is φ = 8486344816.

The previous prime is 8486344807. The next prime is 8486344859. The reversal of 8486344817 is 7184436848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5484291136 + 3002053681 = 74056^2 + 54791^2 .

It is a cyclic number.

It is not a de Polignac number, because 8486344817 - 2³² = 4191377521 is a prime.

It is not a weakly prime, because it can be changed into another prime (8486344807) 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, 4243172408 + 4243172409.

It is an arithmetic number, because the mean of its divisors is an integer number (4243172409).

Almost surely, 2^8486344817 is an apocalyptic number.

It is an amenable number.

8486344817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8486344817 is an equidigital number, since it uses as much as digits as its factorization.

8486344817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4128768, while the sum is 53.

The square root of 8486344817 is about 92121.3591790742. The cubic root of 8486344817 is about 2039.7341074220.

The spelling of 8486344817 in words is "eight billion, four hundred eighty-six million, three hundred forty-four thousand, eight hundred seventeen".