27680567 has 2 divisors, whose sum is σ = 27680568. Its totient is φ = 27680566.

The previous prime is 27680533. The next prime is 27680591. The reversal of 27680567 is 76508672.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27680567 - 2⁶ = 27680503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27280567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13840283 + 13840284.

It is an arithmetic number, because the mean of its divisors is an integer number (13840284).

Almost surely, 2^27680567 is an apocalyptic number.

27680567 is a deficient number, since it is larger than the sum of its proper divisors (1).

27680567 is an equidigital number, since it uses as much as digits as its factorization.

27680567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 27680567 is about 5261.2324601751. The cubic root of 27680567 is about 302.4997318031.

The spelling of 27680567 in words is "twenty-seven million, six hundred eighty thousand, five hundred sixty-seven".