67986808288 has 48 divisors (see below), whose sum is σ = 157904861184. Its totient is φ = 28197290880.

The previous prime is 67986808277. The next prime is 67986808303. The reversal of 67986808288 is 88280868976.

It is a super-2 number, since 2×67986808288² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4888420 + ... + 4902307.

It is an arithmetic number, because the mean of its divisors is an integer number (3289684608).

Almost surely, 2^67986808288 is an apocalyptic number.

It is an amenable number.

67986808288 is an abundant number, since it is smaller than the sum of its proper divisors (89918052896).

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

67986808288 is a wasteful number, since it uses less digits than its factorization.

67986808288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790775 (or 9790767 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 70.

The spelling of 67986808288 in words is "sixty-seven billion, nine hundred eighty-six million, eight hundred eight thousand, two hundred eighty-eight".