82472081779 has 2 divisors, whose sum is σ = 82472081780. Its totient is φ = 82472081778.

The previous prime is 82472081753. The next prime is 82472081843. The reversal of 82472081779 is 97718027428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82472081779 - 2⁷ = 82472081651 is a prime.

It is not a weakly prime, because it can be changed into another prime (82472381779) 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, 41236040889 + 41236040890.

It is an arithmetic number, because the mean of its divisors is an integer number (41236040890).

Almost surely, 2^82472081779 is an apocalyptic number.

82472081779 is a deficient number, since it is larger than the sum of its proper divisors (1).

82472081779 is an equidigital number, since it uses as much as digits as its factorization.

82472081779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 82472081779 in words is "eighty-two billion, four hundred seventy-two million, eighty-one thousand, seven hundred seventy-nine".