82667678667733 has 2 divisors, whose sum is σ = 82667678667734. Its totient is φ = 82667678667732.

The previous prime is 82667678667659. The next prime is 82667678667779. The reversal of 82667678667733 is 33776687676628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80880919797924 + 1786758869809 = 8993382^2 + 1336697^2 .

It is a cyclic number.

It is not a de Polignac number, because 82667678667733 - 2⁹ = 82667678667221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82667676667733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41333839333866 + 41333839333867.

It is an arithmetic number, because the mean of its divisors is an integer number (41333839333867).

Almost surely, 2^{82667678667733} is an apocalyptic number.

It is an amenable number.

82667678667733 is a deficient number, since it is larger than the sum of its proper divisors (1).

82667678667733 is an equidigital number, since it uses as much as digits as its factorization.

82667678667733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21508042752, while the sum is 82.

The spelling of 82667678667733 in words is "eighty-two trillion, six hundred sixty-seven billion, six hundred seventy-eight million, six hundred sixty-seven thousand, seven hundred thirty-three".