27800100241 has 2 divisors, whose sum is σ = 27800100242. Its totient is φ = 27800100240.

The previous prime is 27800100227. The next prime is 27800100259. The reversal of 27800100241 is 14200100872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22351446016 + 5448654225 = 149504^2 + 73815^2 .

It is a cyclic number.

It is not a de Polignac number, because 27800100241 - 2²¹ = 27798003089 is a prime.

It is not a weakly prime, because it can be changed into another prime (27800100281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13900050120 + 13900050121.

It is an arithmetic number, because the mean of its divisors is an integer number (13900050121).

Almost surely, 2^27800100241 is an apocalyptic number.

It is an amenable number.

27800100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

27800100241 is an equidigital number, since it uses as much as digits as its factorization.

27800100241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 27800100241 in words is "twenty-seven billion, eight hundred million, one hundred thousand, two hundred forty-one".