565937680 has 80 divisors (see below), whose sum is σ = 1640502144. Its totient is φ = 176394240.

The previous prime is 565937597. The next prime is 565937689. The reversal of 565937680 is 86739565.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (565937689) 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, 39777 + ... + 52096.

Almost surely, 2^565937680 is an apocalyptic number.

It is an amenable number.

565937680 is an abundant number, since it is smaller than the sum of its proper divisors (1074564464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565937680 is a wasteful number, since it uses less digits than its factorization.

565937680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91904 (or 91898 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 565937680 is about 23789.4447181938. Note that the first 3 decimals coincide. The cubic root of 565937680 is about 827.1600231719.

The spelling of 565937680 in words is "five hundred sixty-five million, nine hundred thirty-seven thousand, six hundred eighty".