27800100255 has 32 divisors (see below), whose sum is σ = 47298873024. Its totient is φ = 13894639616.

The previous prime is 27800100241. The next prime is 27800100259. The reversal of 27800100255 is 55200100872.

It is a cyclic number.

It is not a de Polignac number, because 27800100255 - 2⁶ = 27800100191 is a prime.

It is a super-3 number, since 3×27800100255³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800100259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174534 + ... + 293363.

It is an arithmetic number, because the mean of its divisors is an integer number (1478089782).

Almost surely, 2^27800100255 is an apocalyptic number.

27800100255 is a deficient number, since it is larger than the sum of its proper divisors (19498772769).

27800100255 is a wasteful number, since it uses less digits than its factorization.

27800100255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468155.

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 27800100255 in words is "twenty-seven billion, eight hundred million, one hundred thousand, two hundred fifty-five".