67989152784 has 80 divisors (see below), whose sum is σ = 205398060032. Its totient is φ = 18973713024.

The previous prime is 67989152767. The next prime is 67989152789. The reversal of 67989152784 is 48725198976.

It is not an unprimeable number, because it can be changed into a prime (67989152789) 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, 2338444 + ... + 2367339.

Almost surely, 2^67989152784 is an apocalyptic number.

It is an amenable number.

67989152784 is an abundant number, since it is smaller than the sum of its proper divisors (137408907248).

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

67989152784 is a wasteful number, since it uses less digits than its factorization.

67989152784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705844 (or 4705838 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 66.

The spelling of 67989152784 in words is "sixty-seven billion, nine hundred eighty-nine million, one hundred fifty-two thousand, seven hundred eighty-four".