28354289848 has 16 divisors (see below), whose sum is σ = 53166375000. Its totient is φ = 14176589856.

The previous prime is 28354289839. The next prime is 28354289849. The reversal of 28354289848 is 84898245382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28354289849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217483 + ... + 322501.

Almost surely, 2^28354289848 is an apocalyptic number.

It is an amenable number.

28354289848 is a deficient number, since it is larger than the sum of its proper divisors (24812085152).

28354289848 is a wasteful number, since it uses less digits than its factorization.

28354289848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138774 (or 138770 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 61.

The spelling of 28354289848 in words is "twenty-eight billion, three hundred fifty-four million, two hundred eighty-nine thousand, eight hundred forty-eight".