67677671 has 2 divisors, whose sum is σ = 67677672. Its totient is φ = 67677670.

The previous prime is 67677653. The next prime is 67677683. The reversal of 67677671 is 17677676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67677671 - 2¹⁴ = 67661287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67677611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33838835 + 33838836.

It is an arithmetic number, because the mean of its divisors is an integer number (33838836).

Almost surely, 2^67677671 is an apocalyptic number.

67677671 is a deficient number, since it is larger than the sum of its proper divisors (1).

67677671 is an equidigital number, since it uses as much as digits as its factorization.

67677671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518616, while the sum is 47.

The square root of 67677671 is about 8226.6439694446. The cubic root of 67677671 is about 407.5195689851.

The spelling of 67677671 in words is "sixty-seven million, six hundred seventy-seven thousand, six hundred seventy-one".