28848857258 has 16 divisors (see below), whose sum is σ = 46605128136. Its totient is φ = 13313963520.

The previous prime is 28848857239. The next prime is 28848857263. The reversal of 28848857258 is 85275884882.

It can be written as a sum of positive squares in 4 ways, for example, as 26924543569 + 1924313689 = 164087^2 + 43867^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28848857194 and 28848857203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508478 + ... + 562358.

Almost surely, 2^28848857258 is an apocalyptic number.

28848857258 is a deficient number, since it is larger than the sum of its proper divisors (17756270878).

28848857258 is a wasteful number, since it uses less digits than its factorization.

28848857258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74489.

The product of its digits is 91750400, while the sum is 65.

The spelling of 28848857258 in words is "twenty-eight billion, eight hundred forty-eight million, eight hundred fifty-seven thousand, two hundred fifty-eight".