28958685750 has 192 divisors, whose sum is σ = 80362533888. Its totient is φ = 7521000000.

The previous prime is 28958685719. The next prime is 28958685779. The reversal of 28958685750 is 5758685982.

28958685750 is a `hidden beast` number, since 2 + 8 + 9 + 58 + 6 + 8 + 575 + 0 = 666.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 26542705 + ... + 26543795.

It is an arithmetic number, because the mean of its divisors is an integer number (418554864).

Almost surely, 2^28958685750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28958685750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40181266944).

28958685750 is an abundant number, since it is smaller than the sum of its proper divisors (51403848138).

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

28958685750 is a wasteful number, since it uses less digits than its factorization.

28958685750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 28958685750 in words is "twenty-eight billion, nine hundred fifty-eight million, six hundred eighty-five thousand, seven hundred fifty".