728759383138 has 8 divisors (see below), whose sum is σ = 1128401625600. Its totient is φ = 352625507940.

The previous prime is 728759383127. The next prime is 728759383139. The reversal of 728759383138 is 831383957827.

728759383138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 728759383138.

It is not an unprimeable number, because it can be changed into a prime (728759383139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5877091738 + ... + 5877091861.

It is an arithmetic number, because the mean of its divisors is an integer number (141050203200).

Almost surely, 2^728759383138 is an apocalyptic number.

728759383138 is a deficient number, since it is larger than the sum of its proper divisors (399642242462).

728759383138 is a wasteful number, since it uses less digits than its factorization.

728759383138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754183632.

The product of its digits is 60963840, while the sum is 64.

The spelling of 728759383138 in words is "seven hundred twenty-eight billion, seven hundred fifty-nine million, three hundred eighty-three thousand, one hundred thirty-eight".