28275108603 has 16 divisors (see below), whose sum is σ = 43088656896. Its totient is φ = 16156163520.

The previous prime is 28275108539. The next prime is 28275108613. The reversal of 28275108603 is 30680157282.

It is not a de Polignac number, because 28275108603 - 2⁶ = 28275108539 is a prime.

It is a super-2 number, since 2×28275108603² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28275108613) 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, 391575 + ... + 458127.

It is an arithmetic number, because the mean of its divisors is an integer number (2693041056).

Almost surely, 2^28275108603 is an apocalyptic number.

28275108603 is a deficient number, since it is larger than the sum of its proper divisors (14813548293).

28275108603 is a wasteful number, since it uses less digits than its factorization.

28275108603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86794.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 28275108603 in words is "twenty-eight billion, two hundred seventy-five million, one hundred eight thousand, six hundred three".