866786482744028 has 96 divisors (see below), whose sum is σ = 1892622728156160. Its totient is φ = 337449786186240.

The previous prime is 866786482744019. The next prime is 866786482744079. The reversal of 866786482744028 is 820447284687668.

866786482744028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2295186425 + ... + 2295564047.

It is an arithmetic number, because the mean of its divisors is an integer number (19714820084960).

Almost surely, 2^{866786482744028} is an apocalyptic number.

It is an amenable number.

866786482744028 is an abundant number, since it is smaller than the sum of its proper divisors (1025836245412132).

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

866786482744028 is a wasteful number, since it uses less digits than its factorization.

866786482744028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383347 (or 383345 counting only the distinct ones).

The product of its (nonzero) digits is 11098128384, while the sum is 80.

The spelling of 866786482744028 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, four hundred eighty-two million, seven hundred forty-four thousand, twenty-eight".