68704400868 has 24 divisors (see below), whose sum is σ = 160348930560. Its totient is φ = 22895943840.

The previous prime is 68704400851. The next prime is 68704400923. The reversal of 68704400868 is 86800440786.

It is a self number, because there is not a number n which added to its sum of digits gives 68704400868.

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, 638403 + ... + 738218.

It is an arithmetic number, because the mean of its divisors is an integer number (6681205440).

Almost surely, 2^68704400868 is an apocalyptic number.

It is an amenable number.

68704400868 is an abundant number, since it is smaller than the sum of its proper divisors (91644529692).

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

68704400868 is a wasteful number, since it uses less digits than its factorization.

68704400868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380787 (or 1380785 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 68704400868 in words is "sixty-eight billion, seven hundred four million, four hundred thousand, eight hundred sixty-eight".