27802270231 has 2 divisors, whose sum is σ = 27802270232. Its totient is φ = 27802270230.

The previous prime is 27802270187. The next prime is 27802270247. The reversal of 27802270231 is 13207220872.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27802270231 - 2¹⁷ = 27802139159 is a prime.

It is a super-2 number, since 2×27802270231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27802270291) 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 as a sum of consecutive naturals, namely, 13901135115 + 13901135116.

It is an arithmetic number, because the mean of its divisors is an integer number (13901135116).

Almost surely, 2^27802270231 is an apocalyptic number.

27802270231 is a deficient number, since it is larger than the sum of its proper divisors (1).

27802270231 is an equidigital number, since it uses as much as digits as its factorization.

27802270231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 27802270231 in words is "twenty-seven billion, eight hundred two million, two hundred seventy thousand, two hundred thirty-one".