28053067588 has 96 divisors (see below), whose sum is σ = 61473904128. Its totient is φ = 10905753600.

The previous prime is 28053067561. The next prime is 28053067589. The reversal of 28053067588 is 88576035082.

It is a super-2 number, since 2×28053067588² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (28053067589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8707818 + ... + 8711038.

It is an arithmetic number, because the mean of its divisors is an integer number (640353168).

Almost surely, 2^28053067588 is an apocalyptic number.

28053067588 is a gapful number since it is divisible by the number (28) 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 28053067588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30736952064).

28053067588 is an abundant number, since it is smaller than the sum of its proper divisors (33420836540).

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

28053067588 is a wasteful number, since it uses less digits than its factorization.

28053067588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653 (or 3651 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 28053067588 in words is "twenty-eight billion, fifty-three million, sixty-seven thousand, five hundred eighty-eight".