28196760688 has 40 divisors (see below), whose sum is σ = 55367166096. Its totient is φ = 13909708800.

The previous prime is 28196760667. The next prime is 28196760701. The reversal of 28196760688 is 88606769182.

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, 323728 + ... + 401488.

Almost surely, 2^28196760688 is an apocalyptic number.

It is an amenable number.

28196760688 is a deficient number, since it is larger than the sum of its proper divisors (27170405408).

28196760688 is a wasteful number, since it uses less digits than its factorization.

28196760688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78073 (or 78067 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 28196760688 in words is "twenty-eight billion, one hundred ninety-six million, seven hundred sixty thousand, six hundred eighty-eight".