67667662627 has 2 divisors, whose sum is σ = 67667662628. Its totient is φ = 67667662626.

The previous prime is 67667662549. The next prime is 67667662669. The reversal of 67667662627 is 72626676676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67667662627 - 2¹¹ = 67667660579 is a prime.

It is a super-2 number, since 2×67667662627² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67667662687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33833831313 + 33833831314.

It is an arithmetic number, because the mean of its divisors is an integer number (33833831314).

Almost surely, 2^67667662627 is an apocalyptic number.

67667662627 is a deficient number, since it is larger than the sum of its proper divisors (1).

67667662627 is an equidigital number, since it uses as much as digits as its factorization.

67667662627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64012032, while the sum is 61.

The spelling of 67667662627 in words is "sixty-seven billion, six hundred sixty-seven million, six hundred sixty-two thousand, six hundred twenty-seven".