67871775673 has 8 divisors (see below), whose sum is σ = 74471789448. Its totient is φ = 61468777344.

The previous prime is 67871775617. The next prime is 67871775691. The reversal of 67871775673 is 37657717876.

It can be written as a sum of positive squares in 4 ways, for example, as 16995815424 + 50875960249 = 130368^2 + 225557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67871775673 - 2⁹ = 67871775161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67871772673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49253140 + ... + 49254517.

It is an arithmetic number, because the mean of its divisors is an integer number (9308973681).

Almost surely, 2^67871775673 is an apocalyptic number.

It is an amenable number.

67871775673 is a deficient number, since it is larger than the sum of its proper divisors (6600013775).

67871775673 is a wasteful number, since it uses less digits than its factorization.

67871775673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98507723.

The product of its digits is 72606240, while the sum is 64.

The spelling of 67871775673 in words is "sixty-seven billion, eight hundred seventy-one million, seven hundred seventy-five thousand, six hundred seventy-three".