12527690867 has 2 divisors, whose sum is σ = 12527690868. Its totient is φ = 12527690866.

The previous prime is 12527690849. The next prime is 12527690893. The reversal of 12527690867 is 76809672521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12527690867 - 2²² = 12523496563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12527690267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263845433 + 6263845434.

It is an arithmetic number, because the mean of its divisors is an integer number (6263845434).

Almost surely, 2^12527690867 is an apocalyptic number.

12527690867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12527690867 is an equidigital number, since it uses as much as digits as its factorization.

12527690867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 12527690867 in words is "twelve billion, five hundred twenty-seven million, six hundred ninety thousand, eight hundred sixty-seven".