866882868906 has 16 divisors (see below), whose sum is σ = 1753246252800. Its totient is φ = 285714203808.

The previous prime is 866882868871. The next prime is 866882868919. The reversal of 866882868906 is 609868288668.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 811687546 + ... + 811688613.

It is an arithmetic number, because the mean of its divisors is an integer number (109577890800).

Almost surely, 2^866882868906 is an apocalyptic number.

866882868906 is an abundant number, since it is smaller than the sum of its proper divisors (886363383894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866882868906 is a wasteful number, since it uses less digits than its factorization.

866882868906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623376253.

The product of its (nonzero) digits is 764411904, while the sum is 75.

The spelling of 866882868906 in words is "eight hundred sixty-six billion, eight hundred eighty-two million, eight hundred sixty-eight thousand, nine hundred six".