128833455838 has 8 divisors (see below), whose sum is σ = 203421246120. Its totient is φ = 61026373800.

The previous prime is 128833455833. The next prime is 128833455901. The reversal of 128833455838 is 838554338821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128833455833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695177013 + ... + 1695177088.

It is an arithmetic number, because the mean of its divisors is an integer number (25427655765).

Almost surely, 2^128833455838 is an apocalyptic number.

128833455838 is a deficient number, since it is larger than the sum of its proper divisors (74587790282).

128833455838 is a wasteful number, since it uses less digits than its factorization.

128833455838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390354122.

The product of its digits is 22118400, while the sum is 58.

The spelling of 128833455838 in words is "one hundred twenty-eight billion, eight hundred thirty-three million, four hundred fifty-five thousand, eight hundred thirty-eight".