28872330288 has 40 divisors (see below), whose sum is σ = 74668839936. Its totient is φ = 9613531200.

The previous prime is 28872330281. The next prime is 28872330293. The reversal of 28872330288 is 88203327882.

It is a super-2 number, since 2×28872330288² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28872330288.

It is not an unprimeable number, because it can be changed into a prime (28872330281) by changing a digit.

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, 286408 + ... + 373863.

Almost surely, 2^28872330288 is an apocalyptic number.

It is an amenable number.

28872330288 is an abundant number, since it is smaller than the sum of its proper divisors (45796509648).

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

28872330288 is a wasteful number, since it uses less digits than its factorization.

28872330288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661193 (or 661187 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 28872330288 in words is "twenty-eight billion, eight hundred seventy-two million, three hundred thirty thousand, two hundred eighty-eight".