68863018752 has 576 divisors, whose sum is σ = 237411417600. Its totient is φ = 19468615680.

The previous prime is 68863018729. The next prime is 68863018759. The reversal of 68863018752 is 25781036886.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68863018759) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105456058 + ... + 105456710.

It is an arithmetic number, because the mean of its divisors is an integer number (412172600).

Almost surely, 2^68863018752 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 68863018752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118705708800).

68863018752 is an abundant number, since it is smaller than the sum of its proper divisors (168548398848).

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

68863018752 is a wasteful number, since it uses less digits than its factorization.

68863018752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 68863018752 in words is "sixty-eight billion, eight hundred sixty-three million, eighteen thousand, seven hundred fifty-two".