27108197071 has 2 divisors, whose sum is σ = 27108197072. Its totient is φ = 27108197070.

The previous prime is 27108197057. The next prime is 27108197147. The reversal of 27108197071 is 17079180172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27108197071 - 2⁷ = 27108196943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27108197771) 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, 13554098535 + 13554098536.

It is an arithmetic number, because the mean of its divisors is an integer number (13554098536).

Almost surely, 2^27108197071 is an apocalyptic number.

27108197071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27108197071 is an equidigital number, since it uses as much as digits as its factorization.

27108197071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 43.

The spelling of 27108197071 in words is "twenty-seven billion, one hundred eight million, one hundred ninety-seven thousand, seventy-one".