82444871 has 2 divisors, whose sum is σ = 82444872. Its totient is φ = 82444870.

The previous prime is 82444867. The next prime is 82444877. The reversal of 82444871 is 17844428.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82444871 - 2² = 82444867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82444877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41222435 + 41222436.

It is an arithmetic number, because the mean of its divisors is an integer number (41222436).

Almost surely, 2^82444871 is an apocalyptic number.

82444871 is a deficient number, since it is larger than the sum of its proper divisors (1).

82444871 is an equidigital number, since it uses as much as digits as its factorization.

82444871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 38.

The square root of 82444871 is about 9079.9158035744. The cubic root of 82444871 is about 435.2323961898.

The spelling of 82444871 in words is "eighty-two million, four hundred forty-four thousand, eight hundred seventy-one".