28030255564 has 6 divisors (see below), whose sum is σ = 49052947244. Its totient is φ = 14015127780.

The previous prime is 28030255553. The next prime is 28030255597. The reversal of 28030255564 is 46555203082.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3503781942 + ... + 3503781949.

Almost surely, 2^28030255564 is an apocalyptic number.

It is an amenable number.

28030255564 is a deficient number, since it is larger than the sum of its proper divisors (21022691680).

28030255564 is a wasteful number, since it uses less digits than its factorization.

28030255564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007563895 (or 7007563893 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 28030255564 in words is "twenty-eight billion, thirty million, two hundred fifty-five thousand, five hundred sixty-four".