28547535216 has 40 divisors (see below), whose sum is σ = 73853090064. Its totient is φ = 9502259200.

The previous prime is 28547535197. The next prime is 28547535337. The reversal of 28547535216 is 61253574582.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 390561 + ... + 457856.

Almost surely, 2^28547535216 is an apocalyptic number.

It is an amenable number.

28547535216 is an abundant number, since it is smaller than the sum of its proper divisors (45305554848).

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

28547535216 is a wasteful number, since it uses less digits than its factorization.

28547535216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849129 (or 849123 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The spelling of 28547535216 in words is "twenty-eight billion, five hundred forty-seven million, five hundred thirty-five thousand, two hundred sixteen".