27725360623 has 2 divisors, whose sum is σ = 27725360624. Its totient is φ = 27725360622.

The previous prime is 27725360617. The next prime is 27725360659. The reversal of 27725360623 is 32606352772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27725360623 - 2⁹ = 27725360111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27725360623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27725310623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862680311 + 13862680312.

It is an arithmetic number, because the mean of its divisors is an integer number (13862680312).

Almost surely, 2^27725360623 is an apocalyptic number.

27725360623 is a deficient number, since it is larger than the sum of its proper divisors (1).

27725360623 is an equidigital number, since it uses as much as digits as its factorization.

27725360623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 27725360623 in words is "twenty-seven billion, seven hundred twenty-five million, three hundred sixty thousand, six hundred twenty-three".