67988688976 has 40 divisors (see below), whose sum is σ = 142072096040. Its totient is φ = 31332704256.

The previous prime is 67988688959. The next prime is 67988689019.

67988688976 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1031951376 + 66956737600 = 32124^2 + 258760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67988688976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102861 + ... + 382828.

It is an arithmetic number, because the mean of its divisors is an integer number (3551802401).

Almost surely, 2^67988688976 is an apocalyptic number.

It is an amenable number.

67988688976 is an abundant number, since it is smaller than the sum of its proper divisors (74083407064).

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

67988688976 is a wasteful number, since it uses less digits than its factorization.

67988688976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486383 (or 486377 counting only the distinct ones).

The product of its digits is 3511517184, while the sum is 82.

The spelling of 67988688976 in words is "sixty-seven billion, nine hundred eighty-eight million, six hundred eighty-eight thousand, nine hundred seventy-six".