27800025255 has 16 divisors (see below), whose sum is σ = 49422267360. Its totient is φ = 14826680064.

The previous prime is 27800025241. The next prime is 27800025289. The reversal of 27800025255 is 55252000872.

It is not a de Polignac number, because 27800025255 - 2⁶ = 27800025191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102962922 + ... + 102963191.

It is an arithmetic number, because the mean of its divisors is an integer number (3088891710).

Almost surely, 2^27800025255 is an apocalyptic number.

27800025255 is a deficient number, since it is larger than the sum of its proper divisors (21622242105).

27800025255 is a wasteful number, since it uses less digits than its factorization.

27800025255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205926127 (or 205926121 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 27800025255 in words is "twenty-seven billion, eight hundred million, twenty-five thousand, two hundred fifty-five".