866841241747344 has 40 divisors (see below), whose sum is σ = 2239341058460640. Its totient is φ = 288946927815168.

The previous prime is 866841241747289. The next prime is 866841241747363. The reversal of 866841241747344 is 443747142148668.

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, 121264767 + ... + 128213985.

It is an arithmetic number, because the mean of its divisors is an integer number (55983526461516).

Almost surely, 2^{866841241747344} is an apocalyptic number.

It is an amenable number.

866841241747344 is an abundant number, since it is smaller than the sum of its proper divisors (1372499816713296).

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

866841241747344 is a wasteful number, since it uses less digits than its factorization.

866841241747344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9547967 (or 9547961 counting only the distinct ones).

The product of its digits is 693633024, while the sum is 69.

The spelling of 866841241747344 in words is "eight hundred sixty-six trillion, eight hundred forty-one billion, two hundred forty-one million, seven hundred forty-seven thousand, three hundred forty-four".