5665840775 has 24 divisors (see below), whose sum is σ = 8034661344. Its totient is φ = 3882556800.

The previous prime is 5665840759. The next prime is 5665840853. The reversal of 5665840775 is 5770485665.

It is not a de Polignac number, because 5665840775 - 2⁴ = 5665840759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 273689 + ... + 293661.

It is an arithmetic number, because the mean of its divisors is an integer number (334777556).

Almost surely, 2^5665840775 is an apocalyptic number.

5665840775 is a deficient number, since it is larger than the sum of its proper divisors (2368820569).

5665840775 is a wasteful number, since it uses less digits than its factorization.

5665840775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21611 (or 21606 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 53.

The square root of 5665840775 is about 75271.7794063619. The cubic root of 5665840775 is about 1782.7404631444.

The spelling of 5665840775 in words is "five billion, six hundred sixty-five million, eight hundred forty thousand, seven hundred seventy-five".