8368266773 has 2 divisors, whose sum is σ = 8368266774. Its totient is φ = 8368266772.

The previous prime is 8368266757. The next prime is 8368266799. The reversal of 8368266773 is 3776628638.

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., 4780616164 + 3587650609 = 69142^2 + 59897^2 .

It is a cyclic number.

It is not a de Polignac number, because 8368266773 - 2⁴ = 8368266757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8368266703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4184133386 + 4184133387.

It is an arithmetic number, because the mean of its divisors is an integer number (4184133387).

Almost surely, 2^8368266773 is an apocalyptic number.

It is an amenable number.

8368266773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8368266773 is an equidigital number, since it uses as much as digits as its factorization.

8368266773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 56.

The square root of 8368266773 is about 91478.2311427150. The cubic root of 8368266773 is about 2030.2296789314.

The spelling of 8368266773 in words is "eight billion, three hundred sixty-eight million, two hundred sixty-six thousand, seven hundred seventy-three".