28056108027 has 8 divisors (see below), whose sum is σ = 37966474816. Its totient is φ = 18424906632.

The previous prime is 28056108013. The next prime is 28056108061. The reversal of 28056108027 is 72080165082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28056108027 - 2⁴ = 28056108011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28056108007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69791113 + ... + 69791514.

It is an arithmetic number, because the mean of its divisors is an integer number (4745809352).

Almost surely, 2^28056108027 is an apocalyptic number.

28056108027 is a deficient number, since it is larger than the sum of its proper divisors (9910366789).

28056108027 is a wasteful number, since it uses less digits than its factorization.

28056108027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139582697.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 28056108027 in words is "twenty-eight billion, fifty-six million, one hundred eight thousand, twenty-seven".