27894751319 has 2 divisors, whose sum is σ = 27894751320. Its totient is φ = 27894751318.

The previous prime is 27894751307. The next prime is 27894751361. The reversal of 27894751319 is 91315749872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27894751319 - 2²⁸ = 27626315863 is a prime.

It is a super-2 number, since 2×27894751319² (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 (27894751369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13947375659 + 13947375660.

It is an arithmetic number, because the mean of its divisors is an integer number (13947375660).

Almost surely, 2^27894751319 is an apocalyptic number.

27894751319 is a deficient number, since it is larger than the sum of its proper divisors (1).

27894751319 is an equidigital number, since it uses as much as digits as its factorization.

27894751319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 56.

The spelling of 27894751319 in words is "twenty-seven billion, eight hundred ninety-four million, seven hundred fifty-one thousand, three hundred nineteen".