28567541271 has 16 divisors (see below), whose sum is σ = 38720000768. Its totient is φ = 18730958400.

The previous prime is 28567541237. The next prime is 28567541273. The reversal of 28567541271 is 17214576582.

It is not a de Polignac number, because 28567541271 - 2¹³ = 28567533079 is a prime.

It is a super-2 number, since 2×28567541271² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28567541271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28567541273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14211 + ... + 239451.

It is an arithmetic number, because the mean of its divisors is an integer number (2420000048).

Almost surely, 2^28567541271 is an apocalyptic number.

28567541271 is a deficient number, since it is larger than the sum of its proper divisors (10152459497).

28567541271 is a wasteful number, since it uses less digits than its factorization.

28567541271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225942.

The product of its digits is 940800, while the sum is 48.

The spelling of 28567541271 in words is "twenty-eight billion, five hundred sixty-seven million, five hundred forty-one thousand, two hundred seventy-one".