82667712568871 has 2 divisors, whose sum is σ = 82667712568872. Its totient is φ = 82667712568870.

The previous prime is 82667712568829. The next prime is 82667712568879. The reversal of 82667712568871 is 17886521776628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82667712568871 - 2⁴² = 78269666057767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82667712568879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41333856284435 + 41333856284436.

It is an arithmetic number, because the mean of its divisors is an integer number (41333856284436).

Almost surely, 2^{82667712568871} is an apocalyptic number.

82667712568871 is a deficient number, since it is larger than the sum of its proper divisors (1).

82667712568871 is an equidigital number, since it uses as much as digits as its factorization.

82667712568871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 758661120, while the sum is 74.

The spelling of 82667712568871 in words is "eighty-two trillion, six hundred sixty-seven billion, seven hundred twelve million, five hundred sixty-eight thousand, eight hundred seventy-one".