564778404376683 has 16 divisors (see below), whose sum is σ = 867184289385216. Its totient is φ = 320266925053920.

The previous prime is 564778404376601. The next prime is 564778404376687. The reversal of 564778404376683 is 386673404877465.

It is not a de Polignac number, because 564778404376683 - 2²⁵ = 564778370822251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564778404376599 and 564778404376608.

It is not an unprimeable number, because it can be changed into a prime (564778404376687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102649652716 + ... + 102649658217.

It is an arithmetic number, because the mean of its divisors is an integer number (54199018086576).

Almost surely, 2^{564778404376683} is an apocalyptic number.

564778404376683 is a deficient number, since it is larger than the sum of its proper divisors (302405885008533).

564778404376683 is a wasteful number, since it uses less digits than its factorization.

564778404376683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205299311074.

The product of its (nonzero) digits is 13655900160, while the sum is 78.

The spelling of 564778404376683 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, three hundred seventy-six thousand, six hundred eighty-three".