28588854708840 has 512 divisors, whose sum is σ = 91523282780160. Its totient is φ = 7132172083200.

The previous prime is 28588854708833. The next prime is 28588854708937. The reversal of 28588854708840 is 4880745888582.

It is a super-2 number, since 2×28588854708840² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 9273061939 + ... + 9273065021.

It is an arithmetic number, because the mean of its divisors is an integer number (178756411680).

Almost surely, 2^{28588854708840} is an apocalyptic number.

28588854708840 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 28588854708840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45761641390080).

28588854708840 is an abundant number, since it is smaller than the sum of its proper divisors (62934428071320).

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

28588854708840 is a wasteful number, since it uses less digits than its factorization.

28588854708840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 1468006400, while the sum is 75.

The spelling of 28588854708840 in words is "twenty-eight trillion, five hundred eighty-eight billion, eight hundred fifty-four million, seven hundred eight thousand, eight hundred forty".