28108988073048 has 32 divisors (see below), whose sum is σ = 70272741792960. Its totient is φ = 9369626476320.

The previous prime is 28108988073031. The next prime is 28108988073077. The reversal of 28108988073048 is 84037088980182.

It is a self number, because there is not a number n which added to its sum of digits gives 28108988073048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4486111 + ... + 8737457.

It is an arithmetic number, because the mean of its divisors is an integer number (2196023181030).

Almost surely, 2^{28108988073048} is an apocalyptic number.

It is an amenable number.

28108988073048 is an abundant number, since it is smaller than the sum of its proper divisors (42163753719912).

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

28108988073048 is a wasteful number, since it uses less digits than its factorization.

28108988073048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526847 (or 4526843 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 66.

The spelling of 28108988073048 in words is "twenty-eight trillion, one hundred eight billion, nine hundred eighty-eight million, seventy-three thousand, forty-eight".