28200254577265 has 16 divisors (see below), whose sum is σ = 36418303699920. Its totient is φ = 20885048709120.

The previous prime is 28200254577233. The next prime is 28200254577289. The reversal of 28200254577265 is 56277545200282.

It can be written as a sum of positive squares in 8 ways, for example, as 5341566859489 + 22858687717776 = 2311183^2 + 4781076^2 .

It is not a de Polignac number, because 28200254577265 - 2⁵ = 28200254577233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719402200 + ... + 2719412569.

It is an arithmetic number, because the mean of its divisors is an integer number (2276143981245).

Almost surely, 2^{28200254577265} is an apocalyptic number.

It is an amenable number.

28200254577265 is a deficient number, since it is larger than the sum of its proper divisors (8218049122655).

28200254577265 is a wasteful number, since it uses less digits than its factorization.

28200254577265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438814852.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 28200254577265 in words is "twenty-eight trillion, two hundred billion, two hundred fifty-four million, five hundred seventy-seven thousand, two hundred sixty-five".