82424778467 has 2 divisors, whose sum is σ = 82424778468. Its totient is φ = 82424778466.

The previous prime is 82424778461. The next prime is 82424778479. The reversal of 82424778467 is 76487742428.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82424778467 - 2³⁰ = 81351036643 is a prime.

It is a super-3 number, since 3×82424778467³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (82424778461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41212389233 + 41212389234.

It is an arithmetic number, because the mean of its divisors is an integer number (41212389234).

Almost surely, 2^82424778467 is an apocalyptic number.

82424778467 is a deficient number, since it is larger than the sum of its proper divisors (1).

82424778467 is an equidigital number, since it uses as much as digits as its factorization.

82424778467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33718272, while the sum is 59.

The spelling of 82424778467 in words is "eighty-two billion, four hundred twenty-four million, seven hundred seventy-eight thousand, four hundred sixty-seven".