1779704082479 has 2 divisors, whose sum is σ = 1779704082480. Its totient is φ = 1779704082478.

The previous prime is 1779704082451. The next prime is 1779704082491. The reversal of 1779704082479 is 9742804079771.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1779704082479 - 2¹⁶ = 1779704016943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1779704084479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889852041239 + 889852041240.

It is an arithmetic number, because the mean of its divisors is an integer number (889852041240).

Almost surely, 2^{1779704082479} is an apocalyptic number.

1779704082479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1779704082479 is an equidigital number, since it uses as much as digits as its factorization.

1779704082479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49787136, while the sum is 65.

The spelling of 1779704082479 in words is "one trillion, seven hundred seventy-nine billion, seven hundred four million, eighty-two thousand, four hundred seventy-nine".