28009605054628 has 24 divisors (see below), whose sum is σ = 49159885572000. Its totient is φ = 13963926449088.

The previous prime is 28009605054589. The next prime is 28009605054647. The reversal of 28009605054628 is 82645050690082.

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 7 ways as a sum of consecutive naturals, for example, 38642328 + ... + 39360496.

It is an arithmetic number, because the mean of its divisors is an integer number (2048328565500).

Almost surely, 2^{28009605054628} is an apocalyptic number.

It is an amenable number.

28009605054628 is a deficient number, since it is larger than the sum of its proper divisors (21150280517372).

28009605054628 is a wasteful number, since it uses less digits than its factorization.

28009605054628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746619 (or 746617 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 28009605054628 in words is "twenty-eight trillion, nine billion, six hundred five million, fifty-four thousand, six hundred twenty-eight".