28486013284 has 9 divisors (see below), whose sum is σ = 49851113977. Its totient is φ = 14242837864.

The previous prime is 28486013279. The next prime is 28486013293. The reversal of 28486013284 is 48231068482.

The square root of 28486013284 is 168778.

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., 28097134884 + 388878400 = 167622^2 + 19720^2 .

It is a super-2 number, since 2×28486013284² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 295362 + ... + 379750.

Almost surely, 2^28486013284 is an apocalyptic number.

28486013284 is the 168778-th square number.

It is an amenable number.

28486013284 is a deficient number, since it is larger than the sum of its proper divisors (21365100693).

28486013284 is an frugal number, since it uses more digits than its factorization.

28486013284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168782 (or 84391 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 28486013284 in words is "twenty-eight billion, four hundred eighty-six million, thirteen thousand, two hundred eighty-four".