82668286882556 has 12 divisors (see below), whose sum is σ = 144669891024792. Its totient is φ = 41334032304048.

The previous prime is 82668286882549. The next prime is 82668286882613. The reversal of 82668286882556 is 65528868286628.

82668286882556 is digitally balanced in base 3, 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 pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26099315 + ... + 29094858.

It is an arithmetic number, because the mean of its divisors is an integer number (12055824252066).

Almost surely, 2^{82668286882556} is an apocalyptic number.

It is an amenable number.

82668286882556 is a deficient number, since it is larger than the sum of its proper divisors (62001604142236).

82668286882556 is a wasteful number, since it uses less digits than its factorization.

82668286882556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55568620 (or 55568618 counting only the distinct ones).

The product of its digits is 8493465600, while the sum is 80.

The spelling of 82668286882556 in words is "eighty-two trillion, six hundred sixty-eight billion, two hundred eighty-six million, eight hundred eighty-two thousand, five hundred fifty-six".