28016211039 has 4 divisors (see below), whose sum is σ = 37354948056. Its totient is φ = 18677474024.

The previous prime is 28016211029. The next prime is 28016211077. The reversal of 28016211039 is 93011261082.

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 28016211039 - 2¹² = 28016206943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28016211019) 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, 4669368504 + ... + 4669368509.

It is an arithmetic number, because the mean of its divisors is an integer number (9338737014).

Almost surely, 2^28016211039 is an apocalyptic number.

28016211039 is a deficient number, since it is larger than the sum of its proper divisors (9338737017).

28016211039 is an equidigital number, since it uses as much as digits as its factorization.

28016211039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338737016.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 28016211039 in words is "twenty-eight billion, sixteen million, two hundred eleven thousand, thirty-nine".