865652256568 has 64 divisors (see below), whose sum is σ = 1777511923200. Its totient is φ = 391954913280.

The previous prime is 865652256517. The next prime is 865652256611.

865652256568 is nontrivially palindromic in base 10.

865652256568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145411480 + ... + 145417432.

It is an arithmetic number, because the mean of its divisors is an integer number (27773623800).

Almost surely, 2^865652256568 is an apocalyptic number.

865652256568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

865652256568 is an abundant number, since it is smaller than the sum of its proper divisors (911859666632).

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

865652256568 is a wasteful number, since it uses less digits than its factorization.

865652256568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092 (or 12088 counting only the distinct ones).

The product of its digits is 207360000, while the sum is 64.

The spelling of 865652256568 in words is "eight hundred sixty-five billion, six hundred fifty-two million, two hundred fifty-six thousand, five hundred sixty-eight".