28053027800 has 96 divisors (see below), whose sum is σ = 74599392000. Its totient is φ = 9610634880.

The previous prime is 28053027767. The next prime is 28053027809. The reversal of 28053027800 is 872035082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053027809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1951439 + ... + 1965761.

It is an arithmetic number, because the mean of its divisors is an integer number (777077000).

Almost surely, 2^28053027800 is an apocalyptic number.

28053027800 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 28053027800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37299696000).

28053027800 is an abundant number, since it is smaller than the sum of its proper divisors (46546364200).

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

28053027800 is a wasteful number, since it uses less digits than its factorization.

28053027800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745 (or 15736 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 28053027800 in words is "twenty-eight billion, fifty-three million, twenty-seven thousand, eight hundred".