82585816679 has 2 divisors, whose sum is σ = 82585816680. Its totient is φ = 82585816678.

The previous prime is 82585816673. The next prime is 82585816697. The reversal of 82585816679 is 97661858528.

Together with next prime (82585816697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82585816679 - 2²⁴ = 82569039463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82585816673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41292908339 + 41292908340.

It is an arithmetic number, because the mean of its divisors is an integer number (41292908340).

Almost surely, 2^82585816679 is an apocalyptic number.

82585816679 is a deficient number, since it is larger than the sum of its proper divisors (1).

82585816679 is an equidigital number, since it uses as much as digits as its factorization.

82585816679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58060800, while the sum is 65.

The spelling of 82585816679 in words is "eighty-two billion, five hundred eighty-five million, eight hundred sixteen thousand, six hundred seventy-nine".