8642865800873 has 16 divisors (see below), whose sum is σ = 9101694518400. Its totient is φ = 8190963285120.

The previous prime is 8642865800831. The next prime is 8642865800903. The reversal of 8642865800873 is 3780085682468.

It is a cyclic number.

It is not a de Polignac number, because 8642865800873 - 2¹⁰ = 8642865799849 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8642865800473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131060573 + ... + 131126501.

It is an arithmetic number, because the mean of its divisors is an integer number (568855907400).

Almost surely, 2^{8642865800873} is an apocalyptic number.

It is an amenable number.

8642865800873 is a deficient number, since it is larger than the sum of its proper divisors (458828717527).

8642865800873 is a wasteful number, since it uses less digits than its factorization.

8642865800873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118352.

The product of its (nonzero) digits is 123863040, while the sum is 65.

The spelling of 8642865800873 in words is "eight trillion, six hundred forty-two billion, eight hundred sixty-five million, eight hundred thousand, eight hundred seventy-three".