12747568705587 has 10 divisors (see below), whose sum is σ = 19042664362788. Its totient is φ = 8498379137004.

The previous prime is 12747568705579. The next prime is 12747568705603. The reversal of 12747568705587 is 78550786574721.

12747568705587 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 7 + 5 + 68 + 7 + 0 + 558 + 7 = 666.

It is not a de Polignac number, because 12747568705587 - 2³ = 12747568705579 is a prime.

It is a super-2 number, since 2×12747568705587² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12747568705187) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 78688695633 + ... + 78688695794.

Almost surely, 2^{12747568705587} is an apocalyptic number.

12747568705587 is a deficient number, since it is larger than the sum of its proper divisors (6295095657201).

12747568705587 is an equidigital number, since it uses as much as digits as its factorization.

12747568705587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157377391439 (or 157377391430 counting only the distinct ones).

The product of its (nonzero) digits is 921984000, while the sum is 72.

The spelling of 12747568705587 in words is "twelve trillion, seven hundred forty-seven billion, five hundred sixty-eight million, seven hundred five thousand, five hundred eighty-seven".