68359725852 has 144 divisors (see below), whose sum is σ = 185632164480. Its totient is φ = 19510001280.

The previous prime is 68359725829. The next prime is 68359725853. The reversal of 68359725852 is 25852795386.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68359725853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4765563 + ... + 4779885.

Almost surely, 2^68359725852 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 68359725852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92816082240).

68359725852 is an abundant number, since it is smaller than the sum of its proper divisors (117272438628).

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

68359725852 is a wasteful number, since it uses less digits than its factorization.

68359725852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14544 (or 14531 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 60.

The spelling of 68359725852 in words is "sixty-eight billion, three hundred fifty-nine million, seven hundred twenty-five thousand, eight hundred fifty-two".