2000866885 has 8 divisors (see below), whose sum is σ = 2401282296. Its totient is φ = 1600532160.

The previous prime is 2000866873. The next prime is 2000866897. The reversal of 2000866885 is 5886680002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000866873) and next prime (2000866897).

It can be written as a sum of positive squares in 4 ways, for example, as 110965156 + 1889901729 = 10534^2 + 43473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2000866885 - 2¹³ = 2000858693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76615 + ... + 99355.

It is an arithmetic number, because the mean of its divisors is an integer number (300160287).

Almost surely, 2^2000866885 is an apocalyptic number.

It is an amenable number.

2000866885 is a deficient number, since it is larger than the sum of its proper divisors (400415411).

2000866885 is a wasteful number, since it uses less digits than its factorization.

2000866885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40343.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2000866885 is about 44731.0505689281. The cubic root of 2000866885 is about 1260.1030580439.

The spelling of 2000866885 in words is "two billion, eight hundred sixty-six thousand, eight hundred eighty-five".