67871775672 has 24 divisors (see below), whose sum is σ = 183819392640. Its totient is φ = 22623925200.

The previous prime is 67871775617. The next prime is 67871775691. The reversal of 67871775672 is 27657717876.

67871775672 is a `hidden beast` number, since 67 + 8 + 7 + 1 + 7 + 7 + 567 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471331704 + ... + 471331847.

It is an arithmetic number, because the mean of its divisors is an integer number (7659141360).

Almost surely, 2^67871775672 is an apocalyptic number.

It is an amenable number.

67871775672 is an abundant number, since it is smaller than the sum of its proper divisors (115947616968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67871775672 is a wasteful number, since it uses less digits than its factorization.

67871775672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942663563 (or 942663556 counting only the distinct ones).

The product of its digits is 48404160, while the sum is 63.

The spelling of 67871775672 in words is "sixty-seven billion, eight hundred seventy-one million, seven hundred seventy-five thousand, six hundred seventy-two".