67889561752 has 8 divisors (see below), whose sum is σ = 127292928300. Its totient is φ = 33944780872.

The previous prime is 67889561743. The next prime is 67889561813. The reversal of 67889561752 is 25716598876.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243097602 + ... + 4243097617.

Almost surely, 2^67889561752 is an apocalyptic number.

It is an amenable number.

67889561752 is a deficient number, since it is larger than the sum of its proper divisors (59403366548).

67889561752 is a wasteful number, since it uses less digits than its factorization.

67889561752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486195225 (or 8486195221 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 64.

The spelling of 67889561752 in words is "sixty-seven billion, eight hundred eighty-nine million, five hundred sixty-one thousand, seven hundred fifty-two".