822785680807 has 2 divisors, whose sum is σ = 822785680808. Its totient is φ = 822785680806.

The previous prime is 822785680751. The next prime is 822785680811. The reversal of 822785680807 is 708086587228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822785680807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822785680817) 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, 411392840403 + 411392840404.

It is an arithmetic number, because the mean of its divisors is an integer number (411392840404).

Almost surely, 2^822785680807 is an apocalyptic number.

822785680807 is a deficient number, since it is larger than the sum of its proper divisors (1).

822785680807 is an equidigital number, since it uses as much as digits as its factorization.

822785680807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24084480, while the sum is 61.

The spelling of 822785680807 in words is "eight hundred twenty-two billion, seven hundred eighty-five million, six hundred eighty thousand, eight hundred seven".