28447406814 has 8 divisors (see below), whose sum is σ = 56894813640. Its totient is φ = 9482468936.

The previous prime is 28447406809. The next prime is 28447406833. The reversal of 28447406814 is 41860474482.

It is a sphenic number, since it is the product of 3 distinct primes.

28447406814 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370617229 + ... + 2370617240.

It is an arithmetic number, because the mean of its divisors is an integer number (7111851705).

Almost surely, 2^28447406814 is an apocalyptic number.

28447406814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28447406814 is a wasteful number, since it uses less digits than its factorization.

28447406814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741234474.

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 28447406814 in words is "twenty-eight billion, four hundred forty-seven million, four hundred six thousand, eight hundred fourteen".