774344213 has 2 divisors, whose sum is σ = 774344214. Its totient is φ = 774344212.

The previous prime is 774344171. The next prime is 774344239. The reversal of 774344213 is 312443477.

774344213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760490929 + 13853284 = 27577^2 + 3722^2 .

It is a cyclic number.

It is not a de Polignac number, because 774344213 - 2⁶ = 774344149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774344293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387172106 + 387172107.

It is an arithmetic number, because the mean of its divisors is an integer number (387172107).

Almost surely, 2^774344213 is an apocalyptic number.

It is an amenable number.

774344213 is a deficient number, since it is larger than the sum of its proper divisors (1).

774344213 is an equidigital number, since it uses as much as digits as its factorization.

774344213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 35.

The square root of 774344213 is about 27827.0410392481. The cubic root of 774344213 is about 918.2861180032.

The spelling of 774344213 in words is "seven hundred seventy-four million, three hundred forty-four thousand, two hundred thirteen".