565915378 has 16 divisors (see below), whose sum is σ = 970447104. Its totient is φ = 242458560.

The previous prime is 565915373. The next prime is 565915381. The reversal of 565915378 is 873519565.

It is not an unprimeable number, because it can be changed into a prime (565915373) 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 in 7 ways as a sum of consecutive naturals, for example, 77818 + ... + 84778.

It is an arithmetic number, because the mean of its divisors is an integer number (60652944).

Almost surely, 2^565915378 is an apocalyptic number.

565915378 is a deficient number, since it is larger than the sum of its proper divisors (404531726).

565915378 is a wasteful number, since it uses less digits than its factorization.

565915378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777.

The product of its digits is 1134000, while the sum is 49.

The square root of 565915378 is about 23788.9759762794. The cubic root of 565915378 is about 827.1491576852.

The spelling of 565915378 in words is "five hundred sixty-five million, nine hundred fifteen thousand, three hundred seventy-eight".