2066878832887 has 6 divisors (see below), whose sum is σ = 2271858551984. Its totient is φ = 1878980757060.

The previous prime is 2066878832881. The next prime is 2066878832903. The reversal of 2066878832887 is 7882388786602.

It is not a de Polignac number, because 2066878832887 - 2³⁵ = 2032519094519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066878832881) 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, 8540821503 + ... + 8540821744.

Almost surely, 2^{2066878832887} is an apocalyptic number.

2066878832887 is a deficient number, since it is larger than the sum of its proper divisors (204979719097).

2066878832887 is a wasteful number, since it uses less digits than its factorization.

2066878832887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17081643269 (or 17081643258 counting only the distinct ones).

The product of its (nonzero) digits is 693633024, while the sum is 73.

The spelling of 2066878832887 in words is "two trillion, sixty-six billion, eight hundred seventy-eight million, eight hundred thirty-two thousand, eight hundred eighty-seven".