27085752191 has 2 divisors, whose sum is σ = 27085752192. Its totient is φ = 27085752190.

The previous prime is 27085752181. The next prime is 27085752227. The reversal of 27085752191 is 19125758072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27085752191 - 2¹⁰ = 27085751167 is a prime.

It is a super-2 number, since 2×27085752191² (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 (27085752181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13542876095 + 13542876096.

It is an arithmetic number, because the mean of its divisors is an integer number (13542876096).

Almost surely, 2^27085752191 is an apocalyptic number.

27085752191 is a deficient number, since it is larger than the sum of its proper divisors (1).

27085752191 is an equidigital number, since it uses as much as digits as its factorization.

27085752191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 27085752191 in words is "twenty-seven billion, eighty-five million, seven hundred fifty-two thousand, one hundred ninety-one".