27507152597 has 2 divisors, whose sum is σ = 27507152598. Its totient is φ = 27507152596.

The previous prime is 27507152579. The next prime is 27507152599. The reversal of 27507152597 is 79525170572.

Together with previous prime (27507152579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26516539921 + 990612676 = 162839^2 + 31474^2 .

It is a cyclic number.

It is not a de Polignac number, because 27507152597 - 2³⁴ = 10327283413 is a prime.

Together with 27507152599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27507152599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13753576298 + 13753576299.

It is an arithmetic number, because the mean of its divisors is an integer number (13753576299).

Almost surely, 2^27507152597 is an apocalyptic number.

It is an amenable number.

27507152597 is a deficient number, since it is larger than the sum of its proper divisors (1).

27507152597 is an equidigital number, since it uses as much as digits as its factorization.

27507152597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1543500, while the sum is 50.

The spelling of 27507152597 in words is "twenty-seven billion, five hundred seven million, one hundred fifty-two thousand, five hundred ninety-seven".