68733904848 has 240 divisors, whose sum is σ = 212615391744. Its totient is φ = 19064263680.

The previous prime is 68733904843. The next prime is 68733904853. The reversal of 68733904848 is 84840933786.

It is an interprime number because it is at equal distance from previous prime (68733904843) and next prime (68733904853).

It is a junction number, because it is equal to n+sod(n) for n = 68733904791 and 68733904800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68733904843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69357633 + ... + 69358623.

Almost surely, 2^68733904848 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 68733904848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106307695872).

68733904848 is an abundant number, since it is smaller than the sum of its proper divisors (143881486896).

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

68733904848 is a wasteful number, since it uses less digits than its factorization.

68733904848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 68733904848 in words is "sixty-eight billion, seven hundred thirty-three million, nine hundred four thousand, eight hundred forty-eight".