27525005505077 has 2 divisors, whose sum is σ = 27525005505078. Its totient is φ = 27525005505076.

The previous prime is 27525005504951. The next prime is 27525005505091. The reversal of 27525005505077 is 77050550052572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18694563285841 + 8830442219236 = 4323721^2 + 2971606^2 .

It is a cyclic number.

It is not a de Polignac number, because 27525005505077 - 2¹⁴ = 27525005488693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27525005502077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13762502752538 + 13762502752539.

It is an arithmetic number, because the mean of its divisors is an integer number (13762502752539).

Almost surely, 2^{27525005505077} is an apocalyptic number.

It is an amenable number.

27525005505077 is a deficient number, since it is larger than the sum of its proper divisors (1).

27525005505077 is an equidigital number, since it uses as much as digits as its factorization.

27525005505077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4287500, while the sum is 50.

The spelling of 27525005505077 in words is "twenty-seven trillion, five hundred twenty-five billion, five million, five hundred five thousand, seventy-seven".