28133634676 has 24 divisors (see below), whose sum is σ = 56281050560. Its totient is φ = 12054318912.

The previous prime is 28133634667. The next prime is 28133634703. The reversal of 28133634676 is 67643633182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4686 + ... + 237253.

Almost surely, 2^28133634676 is an apocalyptic number.

It is an amenable number.

28133634676 is an abundant number, since it is smaller than the sum of its proper divisors (28147415884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28133634676 is a wasteful number, since it uses less digits than its factorization.

28133634676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246103 (or 246101 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 49.

The spelling of 28133634676 in words is "twenty-eight billion, one hundred thirty-three million, six hundred thirty-four thousand, six hundred seventy-six".