28348715328 has 56 divisors (see below), whose sum is σ = 77425539840. Its totient is φ = 9144744960.

The previous prime is 28348715323. The next prime is 28348715341. The reversal of 28348715328 is 82351784382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28348715323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375493 + ... + 2387396.

Almost surely, 2^28348715328 is an apocalyptic number.

It is an amenable number.

28348715328 is an abundant number, since it is smaller than the sum of its proper divisors (49076824512).

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

28348715328 is a wasteful number, since it uses less digits than its factorization.

28348715328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762935 (or 4762925 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 28348715328 in words is "twenty-eight billion, three hundred forty-eight million, seven hundred fifteen thousand, three hundred twenty-eight".