27756305107 has 2 divisors, whose sum is σ = 27756305108. Its totient is φ = 27756305106.

The previous prime is 27756305069. The next prime is 27756305131. The reversal of 27756305107 is 70150365772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27756305107 - 2¹⁵ = 27756272339 is a prime.

It is not a weakly prime, because it can be changed into another prime (27756305407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13878152553 + 13878152554.

It is an arithmetic number, because the mean of its divisors is an integer number (13878152554).

Almost surely, 2^27756305107 is an apocalyptic number.

27756305107 is a deficient number, since it is larger than the sum of its proper divisors (1).

27756305107 is an equidigital number, since it uses as much as digits as its factorization.

27756305107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 27756305107 in words is "twenty-seven billion, seven hundred fifty-six million, three hundred five thousand, one hundred seven".