28660908748 has 24 divisors (see below), whose sum is σ = 50491703360. Its totient is φ = 14234803920.

The previous prime is 28660908721. The next prime is 28660908751. The reversal of 28660908748 is 84780906682.

It is a super-2 number, since 2×28660908748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28660908692 and 28660908701.

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, 1300243 + ... + 1322101.

Almost surely, 2^28660908748 is an apocalyptic number.

It is an amenable number.

28660908748 is a deficient number, since it is larger than the sum of its proper divisors (21830794612).

28660908748 is a wasteful number, since it uses less digits than its factorization.

28660908748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24037 (or 24035 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 28660908748 in words is "twenty-eight billion, six hundred sixty million, nine hundred eight thousand, seven hundred forty-eight".