28517852823600 has 360 divisors, whose sum is σ = 106730929266960. Its totient is φ = 6489898813440.

The previous prime is 28517852823589. The next prime is 28517852823619. The reversal of 28517852823600 is 632825871582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12406254 + ... + 14524146.

Almost surely, 2^{28517852823600} is an apocalyptic number.

28517852823600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28517852823600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53365464633480).

28517852823600 is an abundant number, since it is smaller than the sum of its proper divisors (78213076443360).

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

28517852823600 is a wasteful number, since it uses less digits than its factorization.

28517852823600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118157 (or 2118139 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 28517852823600 in words is "twenty-eight trillion, five hundred seventeen billion, eight hundred fifty-two million, eight hundred twenty-three thousand, six hundred".