27546483197 has 2 divisors, whose sum is σ = 27546483198. Its totient is φ = 27546483196.

The previous prime is 27546483187. The next prime is 27546483203. The reversal of 27546483197 is 79138464572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22888966681 + 4657516516 = 151291^2 + 68246^2 .

It is a cyclic number.

It is not a de Polignac number, because 27546483197 - 2¹² = 27546479101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27546483187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13773241598 + 13773241599.

It is an arithmetic number, because the mean of its divisors is an integer number (13773241599).

Almost surely, 2^27546483197 is an apocalyptic number.

It is an amenable number.

27546483197 is a deficient number, since it is larger than the sum of its proper divisors (1).

27546483197 is an equidigital number, since it uses as much as digits as its factorization.

27546483197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The spelling of 27546483197 in words is "twenty-seven billion, five hundred forty-six million, four hundred eighty-three thousand, one hundred ninety-seven".