779828220343 has 2 divisors, whose sum is σ = 779828220344. Its totient is φ = 779828220342.

The previous prime is 779828220313. The next prime is 779828220383. The reversal of 779828220343 is 343022828977.

779828220343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 779828220343 - 2³³ = 771238285751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779828220313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389914110171 + 389914110172.

It is an arithmetic number, because the mean of its divisors is an integer number (389914110172).

Almost surely, 2^779828220343 is an apocalyptic number.

779828220343 is a deficient number, since it is larger than the sum of its proper divisors (1).

779828220343 is an equidigital number, since it uses as much as digits as its factorization.

779828220343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 779828220343 in words is "seven hundred seventy-nine billion, eight hundred twenty-eight million, two hundred twenty thousand, three hundred forty-three".