675677671 has 2 divisors, whose sum is σ = 675677672. Its totient is φ = 675677670.

The previous prime is 675677669. The next prime is 675677689. The reversal of 675677671 is 176776576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675677671 - 2¹ = 675677669 is a prime.

Together with 675677669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675677621) 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, 337838835 + 337838836.

It is an arithmetic number, because the mean of its divisors is an integer number (337838836).

Almost surely, 2^675677671 is an apocalyptic number.

675677671 is a deficient number, since it is larger than the sum of its proper divisors (1).

675677671 is an equidigital number, since it uses as much as digits as its factorization.

675677671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2593080, while the sum is 52.

The square root of 675677671 is about 25993.8006263032. The cubic root of 675677671 is about 877.4987820969.

The spelling of 675677671 in words is "six hundred seventy-five million, six hundred seventy-seven thousand, six hundred seventy-one".