28681360896 has 40 divisors (see below), whose sum is σ = 76408942104. Its totient is φ = 9560453120.

The previous prime is 28681360819. The next prime is 28681360913. The reversal of 28681360896 is 69806318682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9334845 + ... + 9337916.

Almost surely, 2^28681360896 is an apocalyptic number.

It is an amenable number.

28681360896 is an abundant number, since it is smaller than the sum of its proper divisors (47727581208).

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

28681360896 is an equidigital number, since it uses as much as digits as its factorization.

28681360896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18672782 (or 18672766 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 28681360896 in words is "twenty-eight billion, six hundred eighty-one million, three hundred sixty thousand, eight hundred ninety-six".