2487065865 has 32 divisors (see below), whose sum is σ = 4068334080. Its totient is φ = 1296820224.

The previous prime is 2487065851. The next prime is 2487065869. The reversal of 2487065865 is 5685607842.

It is a happy number.

It is not a de Polignac number, because 2487065865 - 2⁴ = 2487065849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2487065869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1167121 + ... + 1169249.

It is an arithmetic number, because the mean of its divisors is an integer number (127135440).

Almost surely, 2^2487065865 is an apocalyptic number.

It is an amenable number.

2487065865 is a deficient number, since it is larger than the sum of its proper divisors (1581268215).

2487065865 is a wasteful number, since it uses less digits than its factorization.

2487065865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 2487065865 is about 49870.4909239923. The cubic root of 2487065865 is about 1354.8641839517.

The spelling of 2487065865 in words is "two billion, four hundred eighty-seven million, sixty-five thousand, eight hundred sixty-five".