27739074793 has 2 divisors, whose sum is σ = 27739074794. Its totient is φ = 27739074792.

The previous prime is 27739074739. The next prime is 27739074821. The reversal of 27739074793 is 39747093772.

Together with previous prime (27739074739) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16172717584 + 11566357209 = 127172^2 + 107547^2 .

It is a cyclic number.

It is not a de Polignac number, because 27739074793 - 2⁹ = 27739074281 is a prime.

It is not a weakly prime, because it can be changed into another prime (27739074193) 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, 13869537396 + 13869537397.

It is an arithmetic number, because the mean of its divisors is an integer number (13869537397).

Almost surely, 2^27739074793 is an apocalyptic number.

It is an amenable number.

27739074793 is a deficient number, since it is larger than the sum of its proper divisors (1).

27739074793 is an equidigital number, since it uses as much as digits as its factorization.

27739074793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14002632, while the sum is 58.

The spelling of 27739074793 in words is "twenty-seven billion, seven hundred thirty-nine million, seventy-four thousand, seven hundred ninety-three".