27062731097 has 2 divisors, whose sum is σ = 27062731098. Its totient is φ = 27062731096.

The previous prime is 27062731093. The next prime is 27062731099. The reversal of 27062731097 is 79013726072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15905245456 + 11157485641 = 126116^2 + 105629^2 .

It is a cyclic number.

It is not a de Polignac number, because 27062731097 - 2² = 27062731093 is a prime.

Together with 27062731099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27062731093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13531365548 + 13531365549.

It is an arithmetic number, because the mean of its divisors is an integer number (13531365549).

Almost surely, 2^27062731097 is an apocalyptic number.

It is an amenable number.

27062731097 is a deficient number, since it is larger than the sum of its proper divisors (1).

27062731097 is an equidigital number, since it uses as much as digits as its factorization.

27062731097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 27062731097 in words is "twenty-seven billion, sixty-two million, seven hundred thirty-one thousand, ninety-seven".