565506637777672 has 32 divisors (see below), whose sum is σ = 1060610637744000. Its totient is φ = 282677144364864.

The previous prime is 565506637777667. The next prime is 565506637777699. The reversal of 565506637777672 is 276777736605565.

It is a junction number, because it is equal to n+sod(n) for n = 565506637777592 and 565506637777601.

It is an unprimeable number.

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, 458101978 + ... + 459334774.

It is an arithmetic number, because the mean of its divisors is an integer number (33144082429500).

Almost surely, 2^{565506637777672} is an apocalyptic number.

It is an amenable number.

565506637777672 is a deficient number, since it is larger than the sum of its proper divisors (495103999966328).

565506637777672 is a wasteful number, since it uses less digits than its factorization.

565506637777672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248205 (or 1248201 counting only the distinct ones).

The product of its (nonzero) digits is 16336404000, while the sum is 79.

The spelling of 565506637777672 in words is "five hundred sixty-five trillion, five hundred six billion, six hundred thirty-seven million, seven hundred seventy-seven thousand, six hundred seventy-two".