866763546746428 has 48 divisors (see below), whose sum is σ = 1611657601948800. Its totient is φ = 407879001953280.

The previous prime is 866763546746393. The next prime is 866763546746437. The reversal of 866763546746428 is 824647645367668.

866763546746428 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 15 ways as a sum of consecutive naturals, for example, 859447908 + ... + 860455828.

It is an arithmetic number, because the mean of its divisors is an integer number (33576200040600).

Almost surely, 2^{866763546746428} is an apocalyptic number.

It is an amenable number.

866763546746428 is a deficient number, since it is larger than the sum of its proper divisors (744894055202372).

866763546746428 is a wasteful number, since it uses less digits than its factorization.

866763546746428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051735 (or 1051699 counting only the distinct ones).

The product of its digits is 46820229120, while the sum is 82.

The spelling of 866763546746428 in words is "eight hundred sixty-six trillion, seven hundred sixty-three billion, five hundred forty-six million, seven hundred forty-six thousand, four hundred twenty-eight".