8538728878828 has 12 divisors (see below), whose sum is σ = 15187739071792. Its totient is φ = 4199374858320.

The previous prime is 8538728878793. The next prime is 8538728878861. The reversal of 8538728878828 is 8288788278358.

It is a super-4 number, since 4×8538728878828⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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, 17497395000 + ... + 17497395487.

Almost surely, 2^{8538728878828} is an apocalyptic number.

It is an amenable number.

8538728878828 is a deficient number, since it is larger than the sum of its proper divisors (6649010192964).

8538728878828 is a wasteful number, since it uses less digits than its factorization.

8538728878828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34994790552 (or 34994790550 counting only the distinct ones).

The product of its digits is 6165626880, while the sum is 82.

The spelling of 8538728878828 in words is "eight trillion, five hundred thirty-eight billion, seven hundred twenty-eight million, eight hundred seventy-eight thousand, eight hundred twenty-eight".