27862216667 has 2 divisors, whose sum is σ = 27862216668. Its totient is φ = 27862216666.

The previous prime is 27862216633. The next prime is 27862216717. The reversal of 27862216667 is 76661226872.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27862216667 - 2⁸ = 27862216411 is a prime.

It is not a weakly prime, because it can be changed into another prime (27862296667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13931108333 + 13931108334.

It is an arithmetic number, because the mean of its divisors is an integer number (13931108334).

Almost surely, 2^27862216667 is an apocalyptic number.

27862216667 is a deficient number, since it is larger than the sum of its proper divisors (1).

27862216667 is an equidigital number, since it uses as much as digits as its factorization.

27862216667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The spelling of 27862216667 in words is "twenty-seven billion, eight hundred sixty-two million, two hundred sixteen thousand, six hundred sixty-seven".