27725113597 has 2 divisors, whose sum is σ = 27725113598. Its totient is φ = 27725113596.

The previous prime is 27725113543. The next prime is 27725113631. The reversal of 27725113597 is 79531152772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26032531716 + 1692581881 = 161346^2 + 41141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27725113597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27725113597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27725111597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862556798 + 13862556799.

It is an arithmetic number, because the mean of its divisors is an integer number (13862556799).

Almost surely, 2^27725113597 is an apocalyptic number.

It is an amenable number.

27725113597 is a deficient number, since it is larger than the sum of its proper divisors (1).

27725113597 is an equidigital number, since it uses as much as digits as its factorization.

27725113597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 926100, while the sum is 49.

The spelling of 27725113597 in words is "twenty-seven billion, seven hundred twenty-five million, one hundred thirteen thousand, five hundred ninety-seven".