28086085241 has 4 divisors (see below), whose sum is σ = 28093544832. Its totient is φ = 28078625652.

The previous prime is 28086085211. The next prime is 28086085259. The reversal of 28086085241 is 14258068082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14258068082 = 2 ⋅7129034041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28086085241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28086085192 and 28086085201.

It is not an unprimeable number, because it can be changed into a prime (28086085201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724145 + ... + 3731678.

It is an arithmetic number, because the mean of its divisors is an integer number (7023386208).

Almost surely, 2^28086085241 is an apocalyptic number.

It is an amenable number.

28086085241 is a deficient number, since it is larger than the sum of its proper divisors (7459591).

28086085241 is an equidigital number, since it uses as much as digits as its factorization.

28086085241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7459590.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 28086085241 in words is "twenty-eight billion, eighty-six million, eighty-five thousand, two hundred forty-one".