68504323776 has 252 divisors, whose sum is σ = 217892568024. Its totient is φ = 18938787840.

The previous prime is 68504323753. The next prime is 68504323793. The reversal of 68504323776 is 67732340586.

68504323776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9037300 + ... + 9044876.

Almost surely, 2^68504323776 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 68504323776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108946284012).

68504323776 is an abundant number, since it is smaller than the sum of its proper divisors (149388244248).

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

68504323776 is a wasteful number, since it uses less digits than its factorization.

68504323776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668 (or 7620 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 68504323776 in words is "sixty-eight billion, five hundred four million, three hundred twenty-three thousand, seven hundred seventy-six".