8366073817 has 2 divisors, whose sum is σ = 8366073818. Its totient is φ = 8366073816.

The previous prime is 8366073803. The next prime is 8366073857. The reversal of 8366073817 is 7183706638.

8366073817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6827551641 + 1538522176 = 82629^2 + 39224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8366073817 is a prime.

It is a super-4 number, since 4×8366073817⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (8366073857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4183036908 + 4183036909.

It is an arithmetic number, because the mean of its divisors is an integer number (4183036909).

Almost surely, 2^8366073817 is an apocalyptic number.

It is an amenable number.

8366073817 is a deficient number, since it is larger than the sum of its proper divisors (1).

8366073817 is an equidigital number, since it uses as much as digits as its factorization.

8366073817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 8366073817 is about 91466.2441395732. The cubic root of 8366073817 is about 2030.0523186949.

The spelling of 8366073817 in words is "eight billion, three hundred sixty-six million, seventy-three thousand, eight hundred seventeen".