82277774459 has 2 divisors, whose sum is σ = 82277774460. Its totient is φ = 82277774458.

The previous prime is 82277774417. The next prime is 82277774519. The reversal of 82277774459 is 95447777228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82277774459 - 2¹⁶ = 82277708923 is a prime.

It is not a weakly prime, because it can be changed into another prime (82277774659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41138887229 + 41138887230.

It is an arithmetic number, because the mean of its divisors is an integer number (41138887230).

Almost surely, 2^82277774459 is an apocalyptic number.

82277774459 is a deficient number, since it is larger than the sum of its proper divisors (1).

82277774459 is an equidigital number, since it uses as much as digits as its factorization.

82277774459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55319040, while the sum is 62.

The spelling of 82277774459 in words is "eighty-two billion, two hundred seventy-seven million, seven hundred seventy-four thousand, four hundred fifty-nine".