8946513980728 has 32 divisors (see below), whose sum is σ = 16882569925200. Its totient is φ = 4444537239808.

The previous prime is 8946513980699. The next prime is 8946513980731. The reversal of 8946513980728 is 8270893156498.

It is a super-2 number, since 2×8946513980728² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910051 + ... + 4326802.

It is a 2-persistent number, because it is pandigital, and so is 2⋅8946513980728 = 17893027961456, but 3⋅8946513980728 = 26839541942184 is not.

Almost surely, 2^{8946513980728} is an apocalyptic number.

It is an amenable number.

8946513980728 is a deficient number, since it is larger than the sum of its proper divisors (7936055944472).

8946513980728 is a wasteful number, since it uses less digits than its factorization.

8946513980728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238231 (or 5238227 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 8946513980728 in words is "eight trillion, nine hundred forty-six billion, five hundred thirteen million, nine hundred eighty thousand, seven hundred twenty-eight".