28653231750 has 192 divisors, whose sum is σ = 84487463424. Its totient is φ = 6411600000.

The previous prime is 28653231731. The next prime is 28653231773. The reversal of 28653231750 is 5713235682.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1383975 + ... + 1404525.

It is an arithmetic number, because the mean of its divisors is an integer number (440038872).

Almost surely, 2^28653231750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28653231750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42243731712).

28653231750 is an abundant number, since it is smaller than the sum of its proper divisors (55834231674).

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

28653231750 is a wasteful number, since it uses less digits than its factorization.

28653231750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608 (or 20585 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 28653231750 in words is "twenty-eight billion, six hundred fifty-three million, two hundred thirty-one thousand, seven hundred fifty".