8858666673 has 12 divisors (see below), whose sum is σ = 12848949828. Its totient is φ = 5881271040.

The previous prime is 8858666633. The next prime is 8858666699. The reversal of 8858666673 is 3766668588.

It can be written as a sum of positive squares in 2 ways, for example, as 3985649424 + 4873017249 = 63132^2 + 69807^2 .

It is not a de Polignac number, because 8858666673 - 2⁹ = 8858666161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8858666673.

It is not an unprimeable number, because it can be changed into a prime (8858666603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2039940 + ... + 2044277.

It is an arithmetic number, because the mean of its divisors is an integer number (1070745819).

Almost surely, 2^8858666673 is an apocalyptic number.

It is an amenable number.

8858666673 is a deficient number, since it is larger than the sum of its proper divisors (3990283155).

8858666673 is a wasteful number, since it uses less digits than its factorization.

8858666673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084464 (or 4084461 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The square root of 8858666673 is about 94120.4901867813. The cubic root of 8858666673 is about 2069.1379852645.

The spelling of 8858666673 in words is "eight billion, eight hundred fifty-eight million, six hundred sixty-six thousand, six hundred seventy-three".