28565828713 has 8 divisors (see below), whose sum is σ = 28915393248. Its totient is φ = 28216392864.

The previous prime is 28565828657. The next prime is 28565828741. The reversal of 28565828713 is 31782856582.

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 28565828713 - 2⁹ = 28565828201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28565828743) 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, 460270 + ... + 518632.

It is an arithmetic number, because the mean of its divisors is an integer number (3614424156).

Almost surely, 2^28565828713 is an apocalyptic number.

It is an amenable number.

28565828713 is a deficient number, since it is larger than the sum of its proper divisors (349564535).

28565828713 is an equidigital number, since it uses as much as digits as its factorization.

28565828713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64343.

The product of its digits is 6451200, while the sum is 55.

The spelling of 28565828713 in words is "twenty-eight billion, five hundred sixty-five million, eight hundred twenty-eight thousand, seven hundred thirteen".