28055760527 has 4 divisors (see below), whose sum is σ = 28056359760. Its totient is φ = 28055161296.

The previous prime is 28055760517. The next prime is 28055760553. The reversal of 28055760527 is 72506755082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28055760527 - 2¹⁰ = 28055759503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055760517) 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, 222827 + ... + 325212.

It is an arithmetic number, because the mean of its divisors is an integer number (7014089940).

Almost surely, 2^28055760527 is an apocalyptic number.

28055760527 is a deficient number, since it is larger than the sum of its proper divisors (599233).

28055760527 is an equidigital number, since it uses as much as digits as its factorization.

28055760527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599232.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 28055760527 in words is "twenty-eight billion, fifty-five million, seven hundred sixty thousand, five hundred twenty-seven".