68847432828 has 24 divisors (see below), whose sum is σ = 161241207120. Its totient is φ = 22863830400.

The previous prime is 68847432727. The next prime is 68847432883. The reversal of 68847432828 is 82823474886.

It is a congruent number.

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, 10660873 + ... + 10667328.

It is an arithmetic number, because the mean of its divisors is an integer number (6718383630).

Almost surely, 2^68847432828 is an apocalyptic number.

It is an amenable number.

68847432828 is an abundant number, since it is smaller than the sum of its proper divisors (92393774292).

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

68847432828 is a wasteful number, since it uses less digits than its factorization.

68847432828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21328477 (or 21328475 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 60.

The spelling of 68847432828 in words is "sixty-eight billion, eight hundred forty-seven million, four hundred thirty-two thousand, eight hundred twenty-eight".