564778404376675 has 12 divisors (see below), whose sum is σ = 701114765108976. Its totient is φ = 451313340480800.

The previous prime is 564778404376601. The next prime is 564778404376687. The reversal of 564778404376675 is 576673404877465.

It is a de Polignac number, because none of the positive numbers 2^k-564778404376675 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564778404376595 and 564778404376604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12734552896 + ... + 12734597245.

It is an arithmetic number, because the mean of its divisors is an integer number (58426230425748).

Almost surely, 2^{564778404376675} is an apocalyptic number.

564778404376675 is a deficient number, since it is larger than the sum of its proper divisors (136336360732301).

564778404376675 is a wasteful number, since it uses less digits than its factorization.

564778404376675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25469151038 (or 25469151033 counting only the distinct ones).

The product of its (nonzero) digits is 19914854400, while the sum is 79.

The spelling of 564778404376675 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, three hundred seventy-six thousand, six hundred seventy-five".