67871775671 has 16 divisors (see below), whose sum is σ = 80104416000. Its totient is φ = 57474870264.

The previous prime is 67871775617. The next prime is 67871775691. The reversal of 67871775671 is 17657717876.

It is not a de Polignac number, because 67871775671 - 2¹⁰ = 67871774647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67871775611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163561 + ... + 1220498.

It is an arithmetic number, because the mean of its divisors is an integer number (5006526000).

Almost surely, 2^67871775671 is an apocalyptic number.

67871775671 is a deficient number, since it is larger than the sum of its proper divisors (12232640329).

67871775671 is an equidigital number, since it uses as much as digits as its factorization.

67871775671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384163 (or 2384149 counting only the distinct ones).

The product of its digits is 24202080, while the sum is 62.

The spelling of 67871775671 in words is "sixty-seven billion, eight hundred seventy-one million, seven hundred seventy-five thousand, six hundred seventy-one".