8666773 has 2 divisors, whose sum is σ = 8666774. Its totient is φ = 8666772.

The previous prime is 8666767. The next prime is 8666783. The reversal of 8666773 is 3776668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8625969 + 40804 = 2937^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 8666773 - 2¹³ = 8658581 is a prime.

It is a super-2 number, since 2×8666773² = 150225908467058, which contains 22 as substring.

8666773 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8666783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4333386 + 4333387.

It is an arithmetic number, because the mean of its divisors is an integer number (4333387).

Almost surely, 2^8666773 is an apocalyptic number.

It is an amenable number.

8666773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8666773 is an equidigital number, since it uses as much as digits as its factorization.

8666773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 8666773 is about 2943.9383485392. The cubic root of 8666773 is about 205.4088449876.

The spelling of 8666773 in words is "eight million, six hundred sixty-six thousand, seven hundred seventy-three".