28603855271 has 16 divisors (see below), whose sum is σ = 29570469120. Its totient is φ = 27656650560.

The previous prime is 28603855219. The next prime is 28603855297. The reversal of 28603855271 is 17255830682.

It is a cyclic number.

It is not a de Polignac number, because 28603855271 - 2¹⁸ = 28603593127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28603855471) 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, 1066595 + ... + 1093083.

It is an arithmetic number, because the mean of its divisors is an integer number (1848154320).

Almost surely, 2^28603855271 is an apocalyptic number.

28603855271 is a deficient number, since it is larger than the sum of its proper divisors (966613849).

28603855271 is a wasteful number, since it uses less digits than its factorization.

28603855271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26854.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 28603855271 in words is "twenty-eight billion, six hundred three million, eight hundred fifty-five thousand, two hundred seventy-one".