27275015567 has 2 divisors, whose sum is σ = 27275015568. Its totient is φ = 27275015566.

The previous prime is 27275015563. The next prime is 27275015587. The reversal of 27275015567 is 76551057272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27275015567 - 2² = 27275015563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27275015563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13637507783 + 13637507784.

It is an arithmetic number, because the mean of its divisors is an integer number (13637507784).

Almost surely, 2^27275015567 is an apocalyptic number.

27275015567 is a deficient number, since it is larger than the sum of its proper divisors (1).

27275015567 is an equidigital number, since it uses as much as digits as its factorization.

27275015567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 27275015567 in words is "twenty-seven billion, two hundred seventy-five million, fifteen thousand, five hundred sixty-seven".