68813238384 has 120 divisors (see below), whose sum is σ = 222447159792. Its totient is φ = 19625871360.

The previous prime is 68813238359. The next prime is 68813238407. The reversal of 68813238384 is 48383231886.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68813238384.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1250799 + ... + 1304654.

Almost surely, 2^68813238384 is an apocalyptic number.

It is an amenable number.

68813238384 is an abundant number, since it is smaller than the sum of its proper divisors (153633921408).

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

68813238384 is a wasteful number, since it uses less digits than its factorization.

68813238384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555495 (or 2555486 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 68813238384 in words is "sixty-eight billion, eight hundred thirteen million, two hundred thirty-eight thousand, three hundred eighty-four".