27527527777777 has 2 divisors, whose sum is σ = 27527527777778. Its totient is φ = 27527527777776.

The previous prime is 27527527777753. The next prime is 27527527777787. The reversal of 27527527777777 is 77777772572572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26434909137121 + 1092618640656 = 5141489^2 + 1045284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27527527777777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27527527777697 and 27527527777706.

It is not a weakly prime, because it can be changed into another prime (27527527777747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13763763888888 + 13763763888889.

It is an arithmetic number, because the mean of its divisors is an integer number (13763763888889).

Almost surely, 2^{27527527777777} is an apocalyptic number.

It is an amenable number.

27527527777777 is a deficient number, since it is larger than the sum of its proper divisors (1).

27527527777777 is an equidigital number, since it uses as much as digits as its factorization.

27527527777777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8070721400, while the sum is 79.

The spelling of 27527527777777 in words is "twenty-seven trillion, five hundred twenty-seven billion, five hundred twenty-seven million, seven hundred seventy-seven thousand, seven hundred seventy-seven".