12687010577 has 2 divisors, whose sum is σ = 12687010578. Its totient is φ = 12687010576.

The previous prime is 12687010573. The next prime is 12687010591. The reversal of 12687010577 is 77501078621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11236848016 + 1450162561 = 106004^2 + 38081^2 .

It is a cyclic number.

It is not a de Polignac number, because 12687010577 - 2² = 12687010573 is a prime.

It is not a weakly prime, because it can be changed into another prime (12687010573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6343505288 + 6343505289.

It is an arithmetic number, because the mean of its divisors is an integer number (6343505289).

Almost surely, 2^12687010577 is an apocalyptic number.

It is an amenable number.

12687010577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12687010577 is an equidigital number, since it uses as much as digits as its factorization.

12687010577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 12687010577 in words is "twelve billion, six hundred eighty-seven million, ten thousand, five hundred seventy-seven".