774220463 has 2 divisors, whose sum is σ = 774220464. Its totient is φ = 774220462.

The previous prime is 774220429. The next prime is 774220471. The reversal of 774220463 is 364022477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 774220463 - 2¹⁸ = 773958319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774220483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387110231 + 387110232.

It is an arithmetic number, because the mean of its divisors is an integer number (387110232).

Almost surely, 2^774220463 is an apocalyptic number.

774220463 is a deficient number, since it is larger than the sum of its proper divisors (1).

774220463 is an equidigital number, since it uses as much as digits as its factorization.

774220463 is an odious number, because the sum of its binary digits is odd.

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

The square root of 774220463 is about 27824.8173938303. The cubic root of 774220463 is about 918.2371974847.

The spelling of 774220463 in words is "seven hundred seventy-four million, two hundred twenty thousand, four hundred sixty-three".