28888730016 has 48 divisors (see below), whose sum is σ = 78447852000. Its totient is φ = 9297521408.

The previous prime is 28888729993. The next prime is 28888730041. The reversal of 28888730016 is 61003788882.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5185566 + ... + 5191133.

It is an arithmetic number, because the mean of its divisors is an integer number (1634330250).

Almost surely, 2^28888730016 is an apocalyptic number.

It is an amenable number.

28888730016 is an abundant number, since it is smaller than the sum of its proper divisors (49559121984).

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

28888730016 is a wasteful number, since it uses less digits than its factorization.

28888730016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376741 (or 10376733 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 28888730016 in words is "twenty-eight billion, eight hundred eighty-eight million, seven hundred thirty thousand, sixteen".