28532338539 has 16 divisors (see below), whose sum is σ = 38159748000. Its totient is φ = 18963316736.

The previous prime is 28532338531. The next prime is 28532338559. The reversal of 28532338539 is 93583323582.

It is a cyclic number.

It is not a de Polignac number, because 28532338539 - 2³ = 28532338531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28532338491 and 28532338500.

It is not an unprimeable number, because it can be changed into a prime (28532338531) 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, 1728067 + ... + 1744499.

It is an arithmetic number, because the mean of its divisors is an integer number (2384984250).

Almost surely, 2^28532338539 is an apocalyptic number.

28532338539 is a deficient number, since it is larger than the sum of its proper divisors (9627409461).

28532338539 is a wasteful number, since it uses less digits than its factorization.

28532338539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174.

The product of its digits is 4665600, while the sum is 51.

The spelling of 28532338539 in words is "twenty-eight billion, five hundred thirty-two million, three hundred thirty-eight thousand, five hundred thirty-nine".