28124804896 has 36 divisors (see below), whose sum is σ = 58819423698. Its totient is φ = 13235197952.

The previous prime is 28124804887. The next prime is 28124804899. The reversal of 28124804896 is 69840842182.

It can be written as a sum of positive squares in 3 ways, for example, as 24660305296 + 3464499600 = 157036^2 + 58860^2 .

It is not an unprimeable number, because it can be changed into a prime (28124804899) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1511341 + ... + 1529836.

Almost surely, 2^28124804896 is an apocalyptic number.

It is an amenable number.

28124804896 is an abundant number, since it is smaller than the sum of its proper divisors (30694618802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28124804896 is a wasteful number, since it uses less digits than its factorization.

28124804896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041221 (or 3041196 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 28124804896 in words is "twenty-eight billion, one hundred twenty-four million, eight hundred four thousand, eight hundred ninety-six".