28630004872 has 64 divisors (see below), whose sum is σ = 62103974400. Its totient is φ = 12119500800.

The previous prime is 28630004869. The next prime is 28630004891. The reversal of 28630004872 is 27840003682.

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 15 ways as a sum of consecutive naturals, for example, 5983393 + ... + 5988175.

It is an arithmetic number, because the mean of its divisors is an integer number (970374600).

Almost surely, 2^28630004872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28630004872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31051987200).

28630004872 is an abundant number, since it is smaller than the sum of its proper divisors (33473969528).

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

28630004872 is a wasteful number, since it uses less digits than its factorization.

28630004872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086 (or 6082 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 28630004872 in words is "twenty-eight billion, six hundred thirty million, four thousand, eight hundred seventy-two".