68304324858 has 256 divisors, whose sum is σ = 181934456832. Its totient is φ = 16578432000.

The previous prime is 68304324841. The next prime is 68304324901. The reversal of 68304324858 is 85842340386.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68304324858.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83196088 + ... + 83196908.

It is an arithmetic number, because the mean of its divisors is an integer number (710681472).

Almost surely, 2^68304324858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68304324858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90967228416).

68304324858 is an abundant number, since it is smaller than the sum of its proper divisors (113630131974).

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

68304324858 is a wasteful number, since it uses less digits than its factorization.

68304324858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 68304324858 in words is "sixty-eight billion, three hundred four million, three hundred twenty-four thousand, eight hundred fifty-eight".