67678382208 has 64 divisors (see below), whose sum is σ = 180140339520. Its totient is φ = 22513075200.

The previous prime is 67678382197. The next prime is 67678382243. The reversal of 67678382208 is 80228387676.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 6058 + ... + 367958.

It is an arithmetic number, because the mean of its divisors is an integer number (2814692805).

Almost surely, 2^67678382208 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 67678382208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90070169760).

67678382208 is an abundant number, since it is smaller than the sum of its proper divisors (112461957312).

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

67678382208 is a wasteful number, since it uses less digits than its factorization.

67678382208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362405 (or 362393 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 67678382208 in words is "sixty-seven billion, six hundred seventy-eight million, three hundred eighty-two thousand, two hundred eight".