5608780665 has 16 divisors (see below), whose sum is σ = 8988561600. Its totient is φ = 2986512192.

The previous prime is 5608780663. The next prime is 5608780687. The reversal of 5608780665 is 5660878065.

It is not a de Polignac number, because 5608780665 - 2¹ = 5608780663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5608780663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292750 + ... + 311319.

It is an arithmetic number, because the mean of its divisors is an integer number (561785100).

Almost surely, 2^5608780665 is an apocalyptic number.

It is an amenable number.

5608780665 is a deficient number, since it is larger than the sum of its proper divisors (3379780935).

5608780665 is a wasteful number, since it uses less digits than its factorization.

5608780665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604696.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The square root of 5608780665 is about 74891.7930416945. The cubic root of 5608780665 is about 1776.7356601862.

The spelling of 5608780665 in words is "five billion, six hundred eight million, seven hundred eighty thousand, six hundred sixty-five".