846827064646 has 8 divisors (see below), whose sum is σ = 1272827646504. Its totient is φ = 422551182480.

The previous prime is 846827064571. The next prime is 846827064649. The reversal of 846827064646 is 646460728648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846827064649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431173695 + ... + 431175658.

It is an arithmetic number, because the mean of its divisors is an integer number (159103455813).

Almost surely, 2^846827064646 is an apocalyptic number.

846827064646 is a deficient number, since it is larger than the sum of its proper divisors (426000581858).

846827064646 is a wasteful number, since it uses less digits than its factorization.

846827064646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862349846.

The product of its (nonzero) digits is 74317824, while the sum is 61.

The spelling of 846827064646 in words is "eight hundred forty-six billion, eight hundred twenty-seven million, sixty-four thousand, six hundred forty-six".