28482300289 has 9 divisors (see below), whose sum is σ = 28901268291. Its totient is φ = 28069327440.

The previous prime is 28482300257. The next prime is 28482300299. The reversal of 28482300289 is 98200328482.

It is a happy number.

The square root of 28482300289 is 168767.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11266761025 + 17215539264 = 106145^2 + 131208^2 .

It is not a de Polignac number, because 28482300289 - 2⁵ = 28482300257 is a prime.

It is a super-2 number, since 2×28482300289² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28482300299) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11981269 + ... + 11983645.

Almost surely, 2^28482300289 is an apocalyptic number.

28482300289 is the 168767-th square number.

28482300289 is the 84384-th centered octagonal number.

It is an amenable number.

28482300289 is a deficient number, since it is larger than the sum of its proper divisors (418968002).

28482300289 is an frugal number, since it uses more digits than its factorization.

28482300289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 28482300289 in words is "twenty-eight billion, four hundred eighty-two million, three hundred thousand, two hundred eighty-nine".