28606048571 has 4 divisors (see below), whose sum is σ = 28720017144. Its totient is φ = 28492080000.

The previous prime is 28606048561. The next prime is 28606048607. The reversal of 28606048571 is 17584060682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28606048571 - 2¹⁸ = 28605786427 is a prime.

It is a super-2 number, since 2×28606048571² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28606048501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56983910 + ... + 56984411.

It is an arithmetic number, because the mean of its divisors is an integer number (7180004286).

Almost surely, 2^28606048571 is an apocalyptic number.

28606048571 is a deficient number, since it is larger than the sum of its proper divisors (113968573).

28606048571 is a wasteful number, since it uses less digits than its factorization.

28606048571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113968572.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 28606048571 in words is "twenty-eight billion, six hundred six million, forty-eight thousand, five hundred seventy-one".