28604120571 has 20 divisors (see below), whose sum is σ = 46016507152. Its totient is φ = 17602535088.

The previous prime is 28604120483. The next prime is 28604120579. The reversal of 28604120571 is 17502140682.

28604120571 is a `hidden beast` number, since 2 + 8 + 60 + 4 + 1 + 20 + 571 = 666.

It is not a de Polignac number, because 28604120571 - 2⁷ = 28604120443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28604120579) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13581151 + ... + 13583256.

Almost surely, 2^28604120571 is an apocalyptic number.

28604120571 is a deficient number, since it is larger than the sum of its proper divisors (17412386581).

28604120571 is a wasteful number, since it uses less digits than its factorization.

28604120571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27164432 (or 27164423 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 28604120571 in words is "twenty-eight billion, six hundred four million, one hundred twenty thousand, five hundred seventy-one".