27641036867 has 2 divisors, whose sum is σ = 27641036868. Its totient is φ = 27641036866.

The previous prime is 27641036821. The next prime is 27641036869. The reversal of 27641036867 is 76863014672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27641036867 - 2⁸ = 27641036611 is a prime.

Together with 27641036869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27641036869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13820518433 + 13820518434.

It is an arithmetic number, because the mean of its divisors is an integer number (13820518434).

Almost surely, 2^27641036867 is an apocalyptic number.

27641036867 is a deficient number, since it is larger than the sum of its proper divisors (1).

27641036867 is an equidigital number, since it uses as much as digits as its factorization.

27641036867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 27641036867 in words is "twenty-seven billion, six hundred forty-one million, thirty-six thousand, eight hundred sixty-seven".