28271556095 has 4 divisors (see below), whose sum is σ = 33925867320. Its totient is φ = 22617244872.

The previous prime is 28271556091. The next prime is 28271556161. The reversal of 28271556095 is 59065517282.

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 28271556095 - 2² = 28271556091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28271556091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2827155605 + ... + 2827155614.

It is an arithmetic number, because the mean of its divisors is an integer number (8481466830).

Almost surely, 2^28271556095 is an apocalyptic number.

28271556095 is a deficient number, since it is larger than the sum of its proper divisors (5654311225).

28271556095 is an equidigital number, since it uses as much as digits as its factorization.

28271556095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654311224.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 28271556095 in words is "twenty-eight billion, two hundred seventy-one million, five hundred fifty-six thousand, ninety-five".