82440984079 has 2 divisors, whose sum is σ = 82440984080. Its totient is φ = 82440984078.

The previous prime is 82440984071. The next prime is 82440984121. The reversal of 82440984079 is 97048904428.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82440984079 - 2³ = 82440984071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82440984071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41220492039 + 41220492040.

It is an arithmetic number, because the mean of its divisors is an integer number (41220492040).

Almost surely, 2^82440984079 is an apocalyptic number.

82440984079 is a deficient number, since it is larger than the sum of its proper divisors (1).

82440984079 is an equidigital number, since it uses as much as digits as its factorization.

82440984079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 82440984079 in words is "eighty-two billion, four hundred forty million, nine hundred eighty-four thousand, seventy-nine".