1779284465279 has 2 divisors, whose sum is σ = 1779284465280. Its totient is φ = 1779284465278.

The previous prime is 1779284465227. The next prime is 1779284465281. The reversal of 1779284465279 is 9725644829771.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1779284465279 - 2²⁸ = 1779016029823 is a prime.

Together with 1779284465281, 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 (1779284465209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889642232639 + 889642232640.

It is an arithmetic number, because the mean of its divisors is an integer number (889642232640).

Almost surely, 2^{1779284465279} is an apocalyptic number.

1779284465279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1779284465279 is an equidigital number, since it uses as much as digits as its factorization.

1779284465279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 426746880, while the sum is 71.

The spelling of 1779284465279 in words is "one trillion, seven hundred seventy-nine billion, two hundred eighty-four million, four hundred sixty-five thousand, two hundred seventy-nine".