8068844066864 has 80 divisors (see below), whose sum is σ = 18351834240768. Its totient is φ = 3364206794496.

The previous prime is 8068844066863. The next prime is 8068844066909. The reversal of 8068844066864 is 4686604488608.

It is a junction number, because it is equal to n+sod(n) for n = 8068844066794 and 8068844066803.

It is not an unprimeable number, because it can be changed into a prime (8068844066863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35371379 + ... + 35598765.

Almost surely, 2^{8068844066864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8068844066864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9175917120384).

8068844066864 is an abundant number, since it is smaller than the sum of its proper divisors (10282990173904).

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

8068844066864 is a wasteful number, since it uses less digits than its factorization.

8068844066864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236002 (or 235996 counting only the distinct ones).

The product of its (nonzero) digits is 339738624, while the sum is 68.

The spelling of 8068844066864 in words is "eight trillion, sixty-eight billion, eight hundred forty-four million, sixty-six thousand, eight hundred sixty-four".