27689319067 has 2 divisors, whose sum is σ = 27689319068. Its totient is φ = 27689319066.

The previous prime is 27689318981. The next prime is 27689319083. The reversal of 27689319067 is 76091398672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27689319067 - 2²⁷ = 27555101339 is a prime.

It is not a weakly prime, because it can be changed into another prime (27689319467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13844659533 + 13844659534.

It is an arithmetic number, because the mean of its divisors is an integer number (13844659534).

Almost surely, 2^27689319067 is an apocalyptic number.

27689319067 is a deficient number, since it is larger than the sum of its proper divisors (1).

27689319067 is an equidigital number, since it uses as much as digits as its factorization.

27689319067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 27689319067 in words is "twenty-seven billion, six hundred eighty-nine million, three hundred nineteen thousand, sixty-seven".