68684028800 has 48 divisors (see below), whose sum is σ = 169671022800. Its totient is φ = 27473610240.

The previous prime is 68684028797. The next prime is 68684028851. The reversal of 68684028800 is 882048686.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10728680 + ... + 10735079.

It is an arithmetic number, because the mean of its divisors is an integer number (3534812975).

Almost surely, 2^68684028800 is an apocalyptic number.

It is an amenable number.

68684028800 is an abundant number, since it is smaller than the sum of its proper divisors (100986994000).

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

68684028800 is a wasteful number, since it uses less digits than its factorization.

68684028800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463783 (or 21463766 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 68684028800 in words is "sixty-eight billion, six hundred eighty-four million, twenty-eight thousand, eight hundred".