28248799936 has 56 divisors (see below), whose sum is σ = 67436065280. Its totient is φ = 11469434112.

The previous prime is 28248799919. The next prime is 28248799951. The reversal of 28248799936 is 63999784282.

It is a tau number, because it is divible by the number of its divisors (56).

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, 1650840 + ... + 1667863.

Almost surely, 2^28248799936 is an apocalyptic number.

It is an amenable number.

28248799936 is an abundant number, since it is smaller than the sum of its proper divisors (39187265344).

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

28248799936 is a wasteful number, since it uses less digits than its factorization.

28248799936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318741 (or 3318731 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 67.

The spelling of 28248799936 in words is "twenty-eight billion, two hundred forty-eight million, seven hundred ninety-nine thousand, nine hundred thirty-six".