68321289804 has 24 divisors (see below), whose sum is σ = 159762161328. Its totient is φ = 22724360640.

The previous prime is 68321289769. The next prime is 68321289833. The reversal of 68321289804 is 40898212386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6169567 + ... + 6180630.

It is an arithmetic number, because the mean of its divisors is an integer number (6656756722).

Almost surely, 2^68321289804 is an apocalyptic number.

It is an amenable number.

68321289804 is an abundant number, since it is smaller than the sum of its proper divisors (91440871524).

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

68321289804 is a wasteful number, since it uses less digits than its factorization.

68321289804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350665 (or 12350663 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 68321289804 in words is "sixty-eight billion, three hundred twenty-one million, two hundred eighty-nine thousand, eight hundred four".