28504627850880 has 256 divisors, whose sum is σ = 100967487292800. Its totient is φ = 7600210329600.

The previous prime is 28504627850873. The next prime is 28504627850887. The reversal of 28504627850880 is 8805872640582.

28504627850880 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 46 + 2 + 7 + 8 + 508 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (28504627850873) and next prime (28504627850887).

It is not an unprimeable number, because it can be changed into a prime (28504627850887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132793240 + ... + 133007720.

Almost surely, 2^{28504627850880} is an apocalyptic number.

28504627850880 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 28504627850880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50483743646400).

28504627850880 is an abundant number, since it is smaller than the sum of its proper divisors (72462859441920).

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

28504627850880 is a wasteful number, since it uses less digits than its factorization.

28504627850880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222200 (or 222182 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 63.

The spelling of 28504627850880 in words is "twenty-eight trillion, five hundred four billion, six hundred twenty-seven million, eight hundred fifty thousand, eight hundred eighty".