28241365647 has 8 divisors (see below), whose sum is σ = 41078350080. Its totient is φ = 17115979160.

The previous prime is 28241365637. The next prime is 28241365667. The reversal of 28241365647 is 74656314282.

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 28241365647 - 2⁷ = 28241365519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28241365596 and 28241365605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28241365637) 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, 427899447 + ... + 427899512.

It is an arithmetic number, because the mean of its divisors is an integer number (5134793760).

Almost surely, 2^28241365647 is an apocalyptic number.

28241365647 is a deficient number, since it is larger than the sum of its proper divisors (12836984433).

28241365647 is a wasteful number, since it uses less digits than its factorization.

28241365647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855798973.

The product of its digits is 1935360, while the sum is 48.

The spelling of 28241365647 in words is "twenty-eight billion, two hundred forty-one million, three hundred sixty-five thousand, six hundred forty-seven".