27385461204547 has 2 divisors, whose sum is σ = 27385461204548. Its totient is φ = 27385461204546.

The previous prime is 27385461204539. The next prime is 27385461204553. The reversal of 27385461204547 is 74540216458372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27385461204547 - 2³ = 27385461204539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27385461204491 and 27385461204500.

It is not a weakly prime, because it can be changed into another prime (27385461214547) 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, 13692730602273 + 13692730602274.

It is an arithmetic number, because the mean of its divisors is an integer number (13692730602274).

Almost surely, 2^{27385461204547} is an apocalyptic number.

27385461204547 is a deficient number, since it is larger than the sum of its proper divisors (1).

27385461204547 is an equidigital number, since it uses as much as digits as its factorization.

27385461204547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45158400, while the sum is 58.

The spelling of 27385461204547 in words is "twenty-seven trillion, three hundred eighty-five billion, four hundred sixty-one million, two hundred four thousand, five hundred forty-seven".