67988877112 has 96 divisors (see below), whose sum is σ = 139508146800. Its totient is φ = 31047324672.

The previous prime is 67988877067. The next prime is 67988877133. The reversal of 67988877112 is 21177888976.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 103169439 + ... + 103170097.

Almost surely, 2^67988877112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67988877112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69754073400).

67988877112 is an abundant number, since it is smaller than the sum of its proper divisors (71519269688).

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

67988877112 is a wasteful number, since it uses less digits than its factorization.

67988877112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1368 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 64.

The spelling of 67988877112 in words is "sixty-seven billion, nine hundred eighty-eight million, eight hundred seventy-seven thousand, one hundred twelve".