856002000068 has 12 divisors (see below), whose sum is σ = 1498054677420. Its totient is φ = 427986377952.

The previous prime is 856002000031. The next prime is 856002000101. The reversal of 856002000068 is 860000200658.

It can be written as a sum of positive squares in 2 ways, for example, as 456802960384 + 399199039684 = 675872^2 + 631822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523271 + ... + 3758382.

It is an arithmetic number, because the mean of its divisors is an integer number (124837889785).

Almost surely, 2^856002000068 is an apocalyptic number.

It is an amenable number.

856002000068 is a deficient number, since it is larger than the sum of its proper divisors (642052677352).

856002000068 is a wasteful number, since it uses less digits than its factorization.

856002000068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311046 (or 7311044 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 856002000068 in words is "eight hundred fifty-six billion, two million, sixty-eight", and thus it is an aban number.