82424778479 has 2 divisors, whose sum is σ = 82424778480. Its totient is φ = 82424778478.

The previous prime is 82424778467. The next prime is 82424778481. The reversal of 82424778479 is 97487742428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82424778479 - 2²⁸ = 82156343023 is a prime.

Together with 82424778481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82424778179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41212389239 + 41212389240.

It is an arithmetic number, because the mean of its divisors is an integer number (41212389240).

Almost surely, 2^82424778479 is an apocalyptic number.

82424778479 is a deficient number, since it is larger than the sum of its proper divisors (1).

82424778479 is an equidigital number, since it uses as much as digits as its factorization.

82424778479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50577408, while the sum is 62.

The spelling of 82424778479 in words is "eighty-two billion, four hundred twenty-four million, seven hundred seventy-eight thousand, four hundred seventy-nine".