27680107867 has 2 divisors, whose sum is σ = 27680107868. Its totient is φ = 27680107866.

The previous prime is 27680107859. The next prime is 27680107937. The reversal of 27680107867 is 76870108672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27680107867 - 2³ = 27680107859 is a prime.

It is not a weakly prime, because it can be changed into another prime (27680102867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13840053933 + 13840053934.

It is an arithmetic number, because the mean of its divisors is an integer number (13840053934).

Almost surely, 2^27680107867 is an apocalyptic number.

27680107867 is a deficient number, since it is larger than the sum of its proper divisors (1).

27680107867 is an equidigital number, since it uses as much as digits as its factorization.

27680107867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 27680107867 in words is "twenty-seven billion, six hundred eighty million, one hundred seven thousand, eight hundred sixty-seven".