27664023067 has 2 divisors, whose sum is σ = 27664023068. Its totient is φ = 27664023066.

The previous prime is 27664023043. The next prime is 27664023091. The reversal of 27664023067 is 76032046672.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (27664023043) and next prime (27664023091).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27664023067 is a prime.

It is not a weakly prime, because it can be changed into another prime (27664029067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13832011533 + 13832011534.

It is an arithmetic number, because the mean of its divisors is an integer number (13832011534).

Almost surely, 2^27664023067 is an apocalyptic number.

27664023067 is a deficient number, since it is larger than the sum of its proper divisors (1).

27664023067 is an equidigital number, since it uses as much as digits as its factorization.

27664023067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 27664023067 in words is "twenty-seven billion, six hundred sixty-four million, twenty-three thousand, sixty-seven".