865342243568 has 40 divisors (see below), whose sum is σ = 1829992932480. Its totient is φ = 393127899840.

The previous prime is 865342243567. The next prime is 865342243583.

865342243568 is nontrivially palindromic in base 10.

865342243568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865342243567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977630 + ... + 1639037.

It is an arithmetic number, because the mean of its divisors is an integer number (45749823312).

Almost surely, 2^865342243568 is an apocalyptic number.

865342243568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

865342243568 is an abundant number, since it is smaller than the sum of its proper divisors (964650688912).

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

865342243568 is a wasteful number, since it uses less digits than its factorization.

865342243568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618565 (or 2618559 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 56.

The spelling of 865342243568 in words is "eight hundred sixty-five billion, three hundred forty-two million, two hundred forty-three thousand, five hundred sixty-eight".