8866268973 has 6 divisors (see below), whose sum is σ = 12806832974. Its totient is φ = 5910845976.

The previous prime is 8866268933. The next prime is 8866268993. The reversal of 8866268973 is 3798626688.

It can be written as a sum of positive squares in only one way, i.e., 6426106569 + 2440162404 = 80163^2 + 49398^2 .

It is not a de Polignac number, because 8866268973 - 2⁹ = 8866268461 is a prime.

It is a super-2 number, since 2×8866268973² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8866268973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8866268933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492570490 + ... + 492570507.

Almost surely, 2^8866268973 is an apocalyptic number.

It is an amenable number.

8866268973 is a deficient number, since it is larger than the sum of its proper divisors (3940564001).

8866268973 is a wasteful number, since it uses less digits than its factorization.

8866268973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985141003 (or 985141000 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The square root of 8866268973 is about 94160.8675246782. The cubic root of 8866268973 is about 2069.7297112606.

The spelling of 8866268973 in words is "eight billion, eight hundred sixty-six million, two hundred sixty-eight thousand, nine hundred seventy-three".