28433648513376 has 144 divisors (see below), whose sum is σ = 86119232091984. Its totient is φ = 9221723748864.

The previous prime is 28433648513293. The next prime is 28433648513381. The reversal of 28433648513376 is 67331584633482.

28433648513376 is a `hidden beast` number, since 2 + 8 + 4 + 3 + 3 + 6 + 48 + 513 + 3 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49125675 + ... + 49701098.

It is an arithmetic number, because the mean of its divisors is an integer number (598050222861).

Almost surely, 2^{28433648513376} is an apocalyptic number.

It is an amenable number.

28433648513376 is an abundant number, since it is smaller than the sum of its proper divisors (57685583578608).

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

28433648513376 is an equidigital number, since it uses as much as digits as its factorization.

28433648513376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98826835 (or 98826815 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 63.

The spelling of 28433648513376 in words is "twenty-eight trillion, four hundred thirty-three billion, six hundred forty-eight million, five hundred thirteen thousand, three hundred seventy-six".