65782317265 has 16 divisors (see below), whose sum is σ = 90223102080. Its totient is φ = 45104198400.

The previous prime is 65782317221. The next prime is 65782317323. The reversal of 65782317265 is 56271328756.

It is a happy number.

It is not a de Polignac number, because 65782317265 - 2⁷ = 65782317137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400921 + ... + 540649.

It is an arithmetic number, because the mean of its divisors is an integer number (5638943880).

Almost surely, 2^65782317265 is an apocalyptic number.

It is an amenable number.

65782317265 is a deficient number, since it is larger than the sum of its proper divisors (24440784815).

65782317265 is a wasteful number, since it uses less digits than its factorization.

65782317265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153192.

The product of its digits is 4233600, while the sum is 52.

The spelling of 65782317265 in words is "sixty-five billion, seven hundred eighty-two million, three hundred seventeen thousand, two hundred sixty-five".