865748657068 has 12 divisors (see below), whose sum is σ = 1540739135880. Its totient is φ = 425537475392.

The previous prime is 865748657051. The next prime is 865748657069. The reversal of 865748657068 is 860756847568.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 865748656988 and 865748657006.

It is not an unprimeable number, because it can be changed into a prime (865748657069) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1834213021 + ... + 1834213492.

It is an arithmetic number, because the mean of its divisors is an integer number (128394927990).

Almost surely, 2^865748657068 is an apocalyptic number.

It is an amenable number.

865748657068 is a deficient number, since it is larger than the sum of its proper divisors (674990478812).

865748657068 is a wasteful number, since it uses less digits than its factorization.

865748657068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668426576 (or 3668426574 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 70.

The spelling of 865748657068 in words is "eight hundred sixty-five billion, seven hundred forty-eight million, six hundred fifty-seven thousand, sixty-eight".