28583232112 has 20 divisors (see below), whose sum is σ = 55950943216. Its totient is φ = 14144279040.

The previous prime is 28583232109. The next prime is 28583232113. The reversal of 28583232112 is 21123238582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28583232113) 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, 9206964 + ... + 9210067.

Almost surely, 2^28583232112 is an apocalyptic number.

It is an amenable number.

28583232112 is a deficient number, since it is larger than the sum of its proper divisors (27367711104).

28583232112 is a wasteful number, since it uses less digits than its factorization.

28583232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18417136 (or 18417130 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The spelling of 28583232112 in words is "twenty-eight billion, five hundred eighty-three million, two hundred thirty-two thousand, one hundred twelve".