28028027775300 has 72 divisors (see below), whose sum is σ = 92679345183936. Its totient is φ = 6406406348160.

The previous prime is 28028027775287. The next prime is 28028027775323. The reversal of 28028027775300 is 357772082082.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6673337847 + ... + 6673342046.

Almost surely, 2^{28028027775300} is an apocalyptic number.

28028027775300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28028027775300 is an abundant number, since it is smaller than the sum of its proper divisors (64651317408636).

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

28028027775300 is a wasteful number, since it uses less digits than its factorization.

28028027775300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346679917 (or 13346679910 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 28028027775300 in words is "twenty-eight trillion, twenty-eight billion, twenty-seven million, seven hundred seventy-five thousand, three hundred".