28000280550027 has 16 divisors (see below), whose sum is σ = 37878850990080. Its totient is φ = 18395188968000.

The previous prime is 28000280549957. The next prime is 28000280550037. The reversal of 28000280550027 is 72005508200082.

It is a happy number.

It is not a de Polignac number, because 28000280550027 - 2²⁷ = 28000146332299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28000280550037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113259099 + ... + 113506052.

It is an arithmetic number, because the mean of its divisors is an integer number (2367428186880).

Almost surely, 2^{28000280550027} is an apocalyptic number.

28000280550027 is a deficient number, since it is larger than the sum of its proper divisors (9878570440053).

28000280550027 is a wasteful number, since it uses less digits than its factorization.

28000280550027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226765754.

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 28000280550027 in words is "twenty-eight trillion, two hundred eighty million, five hundred fifty thousand, twenty-seven".