28880708832 has 36 divisors (see below), whose sum is σ = 82129516560. Its totient is φ = 9626902848.

The previous prime is 28880708827. The next prime is 28880708873. The reversal of 28880708832 is 23880708882.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 50139832 + ... + 50140407.

It is an arithmetic number, because the mean of its divisors is an integer number (2281375460).

Almost surely, 2^28880708832 is an apocalyptic number.

It is an amenable number.

28880708832 is an abundant number, since it is smaller than the sum of its proper divisors (53248807728).

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

28880708832 is a wasteful number, since it uses less digits than its factorization.

28880708832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100280255 (or 100280244 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 28880708832 in words is "twenty-eight billion, eight hundred eighty million, seven hundred eight thousand, eight hundred thirty-two".