28751369850 has 576 divisors, whose sum is σ = 100364469120. Its totient is φ = 6009292800.

The previous prime is 28751369849. The next prime is 28751369851. The reversal of 28751369850 is 5896315782.

It is an interprime number because it is at equal distance from previous prime (28751369849) and next prime (28751369851).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28751369851) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 41608005 + ... + 41608695.

It is an arithmetic number, because the mean of its divisors is an integer number (174243870).

Almost surely, 2^28751369850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28751369850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50182234560).

28751369850 is an abundant number, since it is smaller than the sum of its proper divisors (71613099270).

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

28751369850 is a wasteful number, since it uses less digits than its factorization.

28751369850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 28751369850 in words is "twenty-eight billion, seven hundred fifty-one million, three hundred sixty-nine thousand, eight hundred fifty".