27375857297 has 2 divisors, whose sum is σ = 27375857298. Its totient is φ = 27375857296.

The previous prime is 27375857269. The next prime is 27375857309. The reversal of 27375857297 is 79275857372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27349221376 + 26635921 = 165376^2 + 5161^2 .

It is a cyclic number.

It is not a de Polignac number, because 27375857297 - 2¹⁰ = 27375856273 is a prime.

It is not a weakly prime, because it can be changed into another prime (27375857227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13687928648 + 13687928649.

It is an arithmetic number, because the mean of its divisors is an integer number (13687928649).

Almost surely, 2^27375857297 is an apocalyptic number.

It is an amenable number.

27375857297 is a deficient number, since it is larger than the sum of its proper divisors (1).

27375857297 is an equidigital number, since it uses as much as digits as its factorization.

27375857297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51861600, while the sum is 62.

The spelling of 27375857297 in words is "twenty-seven billion, three hundred seventy-five million, eight hundred fifty-seven thousand, two hundred ninety-seven".