68784358152 has 64 divisors (see below), whose sum is σ = 176663592000. Its totient is φ = 22304322560.

The previous prime is 68784358147. The next prime is 68784358177. The reversal of 68784358152 is 25185348786.

It is a junction number, because it is equal to n+sod(n) for n = 68784358092 and 68784358101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240724 + ... + 442172.

It is an arithmetic number, because the mean of its divisors is an integer number (2760368625).

Almost surely, 2^68784358152 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 68784358152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88331796000).

68784358152 is an abundant number, since it is smaller than the sum of its proper divisors (107879233848).

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

68784358152 is a wasteful number, since it uses less digits than its factorization.

68784358152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201846 (or 201842 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 68784358152 in words is "sixty-eight billion, seven hundred eighty-four million, three hundred fifty-eight thousand, one hundred fifty-two".