68929872576 has 112 divisors (see below), whose sum is σ = 183731976960. Its totient is φ = 22806328320.

The previous prime is 68929872569. The next prime is 68929872593. The reversal of 68929872576 is 67527892986.

It is a self number, because there is not a number n which added to its sum of digits gives 68929872576.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34275411 + ... + 34277421.

It is an arithmetic number, because the mean of its divisors is an integer number (1640464080).

Almost surely, 2^68929872576 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 68929872576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91865988480).

68929872576 is an abundant number, since it is smaller than the sum of its proper divisors (114802104384).

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

68929872576 is a wasteful number, since it uses less digits than its factorization.

68929872576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3252 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 69.

The spelling of 68929872576 in words is "sixty-eight billion, nine hundred twenty-nine million, eight hundred seventy-two thousand, five hundred seventy-six".