844680796818 has 8 divisors (see below), whose sum is σ = 1689361593648. Its totient is φ = 281560265604.

The previous prime is 844680796793. The next prime is 844680796819. The reversal of 844680796818 is 818697086448.

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

844680796818 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (844680796819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70390066396 + ... + 70390066407.

It is an arithmetic number, because the mean of its divisors is an integer number (211170199206).

Almost surely, 2^844680796818 is an apocalyptic number.

844680796818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

844680796818 is a wasteful number, since it uses less digits than its factorization.

844680796818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140780132808.

The product of its (nonzero) digits is 148635648, while the sum is 69.

The spelling of 844680796818 in words is "eight hundred forty-four billion, six hundred eighty million, seven hundred ninety-six thousand, eight hundred eighteen".