27652727057 has 2 divisors, whose sum is σ = 27652727058. Its totient is φ = 27652727056.

The previous prime is 27652727033. The next prime is 27652727071. The reversal of 27652727057 is 75072725672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27582234241 + 70492816 = 166079^2 + 8396^2 .

It is a cyclic number.

It is not a de Polignac number, because 27652727057 - 2²⁸ = 27384291601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27652726996 and 27652727014.

It is not a weakly prime, because it can be changed into another prime (27652727257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13826363528 + 13826363529.

It is an arithmetic number, because the mean of its divisors is an integer number (13826363529).

Almost surely, 2^27652727057 is an apocalyptic number.

It is an amenable number.

27652727057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27652727057 is an equidigital number, since it uses as much as digits as its factorization.

27652727057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2881200, while the sum is 50.

The spelling of 27652727057 in words is "twenty-seven billion, six hundred fifty-two million, seven hundred twenty-seven thousand, fifty-seven".