27552827213 has 2 divisors, whose sum is σ = 27552827214. Its totient is φ = 27552827212.

The previous prime is 27552827173. The next prime is 27552827243. The reversal of 27552827213 is 31272825572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23080294084 + 4472533129 = 151922^2 + 66877^2 .

It is a cyclic number.

It is not a de Polignac number, because 27552827213 - 2⁶ = 27552827149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27552827243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776413606 + 13776413607.

It is an arithmetic number, because the mean of its divisors is an integer number (13776413607).

Almost surely, 2^27552827213 is an apocalyptic number.

It is an amenable number.

27552827213 is a deficient number, since it is larger than the sum of its proper divisors (1).

27552827213 is an equidigital number, since it uses as much as digits as its factorization.

27552827213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 44.

The spelling of 27552827213 in words is "twenty-seven billion, five hundred fifty-two million, eight hundred twenty-seven thousand, two hundred thirteen".