27577136117 has 2 divisors, whose sum is σ = 27577136118. Its totient is φ = 27577136116.

The previous prime is 27577136107. The next prime is 27577136131. The reversal of 27577136117 is 71163177572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26501886436 + 1075249681 = 162794^2 + 32791^2 .

It is a cyclic number.

It is not a de Polignac number, because 27577136117 - 2¹² = 27577132021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27577136107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13788568058 + 13788568059.

It is an arithmetic number, because the mean of its divisors is an integer number (13788568059).

Almost surely, 2^27577136117 is an apocalyptic number.

It is an amenable number.

27577136117 is a deficient number, since it is larger than the sum of its proper divisors (1).

27577136117 is an equidigital number, since it uses as much as digits as its factorization.

27577136117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432180, while the sum is 47.

The spelling of 27577136117 in words is "twenty-seven billion, five hundred seventy-seven million, one hundred thirty-six thousand, one hundred seventeen".