28873014439 has 2 divisors, whose sum is σ = 28873014440. Its totient is φ = 28873014438.

The previous prime is 28873014437. The next prime is 28873014473. The reversal of 28873014439 is 93441037882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28873014439 - 2¹ = 28873014437 is a prime.

Together with 28873014437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28873014392 and 28873014401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28873014433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14436507219 + 14436507220.

It is an arithmetic number, because the mean of its divisors is an integer number (14436507220).

Almost surely, 2^28873014439 is an apocalyptic number.

28873014439 is a deficient number, since it is larger than the sum of its proper divisors (1).

28873014439 is an equidigital number, since it uses as much as digits as its factorization.

28873014439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 28873014439 in words is "twenty-eight billion, eight hundred seventy-three million, fourteen thousand, four hundred thirty-nine".