82446864439 has 2 divisors, whose sum is σ = 82446864440. Its totient is φ = 82446864438.

The previous prime is 82446864427. The next prime is 82446864449. The reversal of 82446864439 is 93446864428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82446864439 - 2⁹ = 82446863927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82446864449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41223432219 + 41223432220.

It is an arithmetic number, because the mean of its divisors is an integer number (41223432220).

Almost surely, 2^82446864439 is an apocalyptic number.

82446864439 is a deficient number, since it is larger than the sum of its proper divisors (1).

82446864439 is an equidigital number, since it uses as much as digits as its factorization.

82446864439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 58.

The spelling of 82446864439 in words is "eighty-two billion, four hundred forty-six million, eight hundred sixty-four thousand, four hundred thirty-nine".