5865808720 has 20 divisors (see below), whose sum is σ = 13638005460. Its totient is φ = 2346323456.

The previous prime is 5865808693. The next prime is 5865808721. The reversal of 5865808720 is 278085685.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4062277696 + 1803531024 = 63736^2 + 42468^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5865808721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36661225 + ... + 36661384.

It is an arithmetic number, because the mean of its divisors is an integer number (681900273).

Almost surely, 2^5865808720 is an apocalyptic number.

It is an amenable number.

5865808720 is an abundant number, since it is smaller than the sum of its proper divisors (7772196740).

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

5865808720 is a wasteful number, since it uses less digits than its factorization.

5865808720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73322622 (or 73322616 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The square root of 5865808720 is about 76588.5678153078. The cubic root of 5865808720 is about 1803.4715636511.

The spelling of 5865808720 in words is "five billion, eight hundred sixty-five million, eight hundred eight thousand, seven hundred twenty".