28900280034 has 32 divisors (see below), whose sum is σ = 64371905280. Its totient is φ = 9611067600.

The previous prime is 28900280009. The next prime is 28900280077. The reversal of 28900280034 is 43008200982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597597 + ... + 644144.

It is an arithmetic number, because the mean of its divisors is an integer number (2011622040).

Almost surely, 2^28900280034 is an apocalyptic number.

28900280034 is an abundant number, since it is smaller than the sum of its proper divisors (35471625246).

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

28900280034 is a wasteful number, since it uses less digits than its factorization.

28900280034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242183 (or 1242177 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 28900280034 in words is "twenty-eight billion, nine hundred million, two hundred eighty thousand, thirty-four".