28547855992 has 16 divisors (see below), whose sum is σ = 53534422800. Its totient is φ = 14272009920.

The previous prime is 28547855957. The next prime is 28547856017. The reversal of 28547855992 is 29955874582.

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 3 ways as a sum of consecutive naturals, for example, 175492 + ... + 296467.

It is an arithmetic number, because the mean of its divisors is an integer number (3345901425).

Almost surely, 2^28547855992 is an apocalyptic number.

It is an amenable number.

28547855992 is a deficient number, since it is larger than the sum of its proper divisors (24986566808).

28547855992 is a wasteful number, since it uses less digits than its factorization.

28547855992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479526 (or 479522 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 64.

The spelling of 28547855992 in words is "twenty-eight billion, five hundred forty-seven million, eight hundred fifty-five thousand, nine hundred ninety-two".