28232675447 has 8 divisors (see below), whose sum is σ = 28443423120. Its totient is φ = 28022037120.

The previous prime is 28232675441. The next prime is 28232675501. The reversal of 28232675447 is 74457623282.

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

It is a cyclic number.

It is not a de Polignac number, because 28232675447 - 2²⁸ = 27964239991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28232675395 and 28232675404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28232675441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533663 + ... + 584175.

It is an arithmetic number, because the mean of its divisors is an integer number (3555427890).

Almost surely, 2^28232675447 is an apocalyptic number.

28232675447 is a deficient number, since it is larger than the sum of its proper divisors (210747673).

28232675447 is a wasteful number, since it uses less digits than its factorization.

28232675447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54673.

The product of its digits is 4515840, while the sum is 50.

The spelling of 28232675447 in words is "twenty-eight billion, two hundred thirty-two million, six hundred seventy-five thousand, four hundred forty-seven".