865726512316 has 48 divisors (see below), whose sum is σ = 1576337817600. Its totient is φ = 415748868480.

The previous prime is 865726512283. The next prime is 865726512319. The reversal of 865726512316 is 613215627568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865726512319) 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, 2572581 + ... + 2889571.

It is an arithmetic number, because the mean of its divisors is an integer number (32840371200).

Almost surely, 2^865726512316 is an apocalyptic number.

It is an amenable number.

865726512316 is a deficient number, since it is larger than the sum of its proper divisors (710611305284).

865726512316 is a wasteful number, since it uses less digits than its factorization.

865726512316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317314 (or 317312 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 865726512316 in words is "eight hundred sixty-five billion, seven hundred twenty-six million, five hundred twelve thousand, three hundred sixteen".