28851398352 has 480 divisors, whose sum is σ = 99582912000. Its totient is φ = 7778985984.

The previous prime is 28851398341. The next prime is 28851398357. The reversal of 28851398352 is 25389315882.

28851398352 is a `hidden beast` number, since 2 + 8 + 8 + 513 + 98 + 35 + 2 = 666.

Its product of digits (4147200) is a multiple of the sum of its prime factors (400).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28851398357) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 123825628 + ... + 123825860.

It is an arithmetic number, because the mean of its divisors is an integer number (207464400).

Almost surely, 2^28851398352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28851398352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49791456000).

28851398352 is an abundant number, since it is smaller than the sum of its proper divisors (70731513648).

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

28851398352 is a wasteful number, since it uses less digits than its factorization.

28851398352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 377 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The spelling of 28851398352 in words is "twenty-eight billion, eight hundred fifty-one million, three hundred ninety-eight thousand, three hundred fifty-two".