28017480028 has 18 divisors (see below), whose sum is σ = 51746968896. Its totient is φ = 13271437224.

The previous prime is 28017480017. The next prime is 28017480041. The reversal of 28017480028 is 82008471082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9699900 + ... + 9702787.

Almost surely, 2^28017480028 is an apocalyptic number.

It is an amenable number.

28017480028 is a deficient number, since it is larger than the sum of its proper divisors (23729488868).

28017480028 is a wasteful number, since it uses less digits than its factorization.

28017480028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19402729 (or 19402708 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The spelling of 28017480028 in words is "twenty-eight billion, seventeen million, four hundred eighty thousand, twenty-eight".