8866268993 has 2 divisors, whose sum is σ = 8866268994. Its totient is φ = 8866268992.

The previous prime is 8866268933. The next prime is 8866269017. The reversal of 8866268993 is 3998626688.

8866268993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5341709569 + 3524559424 = 73087^2 + 59368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8866268993 is a prime.

It is a super-2 number, since 2×8866268993² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8866268933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4433134496 + 4433134497.

It is an arithmetic number, because the mean of its divisors is an integer number (4433134497).

Almost surely, 2^8866268993 is an apocalyptic number.

It is an amenable number.

8866268993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8866268993 is an equidigital number, since it uses as much as digits as its factorization.

8866268993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53747712, while the sum is 65.

The square root of 8866268993 is about 94160.8676308794. The cubic root of 8866268993 is about 2069.7297128169.

The spelling of 8866268993 in words is "eight billion, eight hundred sixty-six million, two hundred sixty-eight thousand, nine hundred ninety-three".