27727539079 has 2 divisors, whose sum is σ = 27727539080. Its totient is φ = 27727539078.

The previous prime is 27727539067. The next prime is 27727539083. The reversal of 27727539079 is 97093572772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27727539079 - 2⁹ = 27727538567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27727539029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863769539 + 13863769540.

It is an arithmetic number, because the mean of its divisors is an integer number (13863769540).

Almost surely, 2^27727539079 is an apocalyptic number.

27727539079 is a deficient number, since it is larger than the sum of its proper divisors (1).

27727539079 is an equidigital number, since it uses as much as digits as its factorization.

27727539079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11668860, while the sum is 58.

The spelling of 27727539079 in words is "twenty-seven billion, seven hundred twenty-seven million, five hundred thirty-nine thousand, seventy-nine".