866468844760836 has 192 divisors, whose sum is σ = 2138832422850816. Its totient is φ = 272660484096000.

The previous prime is 866468844760801. The next prime is 866468844760859. The reversal of 866468844760836 is 638067448864668.

866468844760836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1844835166 + ... + 1845304778.

It is an arithmetic number, because the mean of its divisors is an integer number (11139752202348).

Almost surely, 2^{866468844760836} is an apocalyptic number.

866468844760836 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

866468844760836 is an abundant number, since it is smaller than the sum of its proper divisors (1272363578089980).

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

866468844760836 is a wasteful number, since it uses less digits than its factorization.

866468844760836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470342 (or 470340 counting only the distinct ones).

The product of its (nonzero) digits is 42807066624, while the sum is 84.

The spelling of 866468844760836 in words is "eight hundred sixty-six trillion, four hundred sixty-eight billion, eight hundred forty-four million, seven hundred sixty thousand, eight hundred thirty-six".