28828365250 has 16 divisors (see below), whose sum is σ = 53966700216. Its totient is φ = 11531346000.

The previous prime is 28828365233. The next prime is 28828365287. The reversal of 28828365250 is 5256382882.

It can be written as a sum of positive squares in 4 ways, for example, as 1889380089 + 26938985161 = 43467^2 + 164131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28828365194 and 28828365203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57656481 + ... + 57656980.

Almost surely, 2^28828365250 is an apocalyptic number.

28828365250 is a deficient number, since it is larger than the sum of its proper divisors (25138334966).

28828365250 is a wasteful number, since it uses less digits than its factorization.

28828365250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115313478 (or 115313468 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 28828365250 in words is "twenty-eight billion, eight hundred twenty-eight million, three hundred sixty-five thousand, two hundred fifty".