28216424135 has 8 divisors (see below), whose sum is σ = 35851456656. Its totient is φ = 21245307520.

The previous prime is 28216424129. The next prime is 28216424149. The reversal of 28216424135 is 53142461282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28216424135 - 2²⁴ = 28199646919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165978881 + ... + 165979050.

It is an arithmetic number, because the mean of its divisors is an integer number (4481432082).

Almost surely, 2^28216424135 is an apocalyptic number.

28216424135 is a deficient number, since it is larger than the sum of its proper divisors (7635032521).

28216424135 is a wasteful number, since it uses less digits than its factorization.

28216424135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331957953.

The product of its digits is 92160, while the sum is 38.

The spelling of 28216424135 in words is "twenty-eight billion, two hundred sixteen million, four hundred twenty-four thousand, one hundred thirty-five".