28587763296 has 48 divisors (see below), whose sum is σ = 83380978800. Its totient is φ = 9529254144.

The previous prime is 28587763201. The next prime is 28587763327. The reversal of 28587763296 is 69236778582.

28587763296 is a `hidden beast` number, since 28 + 587 + 7 + 6 + 3 + 29 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16542981 + ... + 16544708.

It is an arithmetic number, because the mean of its divisors is an integer number (1737103725).

Almost surely, 2^28587763296 is an apocalyptic number.

It is an amenable number.

28587763296 is an abundant number, since it is smaller than the sum of its proper divisors (54793215504).

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

28587763296 is a wasteful number, since it uses less digits than its factorization.

28587763296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33087708 (or 33087694 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 28587763296 in words is "twenty-eight billion, five hundred eighty-seven million, seven hundred sixty-three thousand, two hundred ninety-six".