27752525000077 has 2 divisors, whose sum is σ = 27752525000078. Its totient is φ = 27752525000076.

The previous prime is 27752524999987. The next prime is 27752525000093. The reversal of 27752525000077 is 77000052525772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24101314857481 + 3651210142596 = 4909309^2 + 1910814^2 .

It is a cyclic number.

It is not a de Polignac number, because 27752525000077 - 2⁷ = 27752524999949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27752528000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876262500038 + 13876262500039.

It is an arithmetic number, because the mean of its divisors is an integer number (13876262500039).

Almost surely, 2^{27752525000077} is an apocalyptic number.

It is an amenable number.

27752525000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

27752525000077 is an equidigital number, since it uses as much as digits as its factorization.

27752525000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2401000, while the sum is 49.

The spelling of 27752525000077 in words is "twenty-seven trillion, seven hundred fifty-two billion, five hundred twenty-five million, seventy-seven", and thus it is an aban number.