68678332976 has 160 divisors (see below), whose sum is σ = 158442240000. Its totient is φ = 28491264000.

The previous prime is 68678332937. The next prime is 68678332979. The reversal of 68678332976 is 67923387686.

It is not an unprimeable number, because it can be changed into a prime (68678332979) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24981650 + ... + 24984398.

It is an arithmetic number, because the mean of its divisors is an integer number (990264000).

Almost surely, 2^68678332976 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 68678332976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79221120000).

68678332976 is an abundant number, since it is smaller than the sum of its proper divisors (89763907024).

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

68678332976 is a wasteful number, since it uses less digits than its factorization.

68678332976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059 (or 3053 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 65.

The spelling of 68678332976 in words is "sixty-eight billion, six hundred seventy-eight million, three hundred thirty-two thousand, nine hundred seventy-six".