28110608860 has 96 divisors (see below), whose sum is σ = 61856161920. Its totient is φ = 10717056000.

The previous prime is 28110608843. The next prime is 28110608917. The reversal of 28110608860 is 6880601182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31691337 + ... + 31692223.

It is an arithmetic number, because the mean of its divisors is an integer number (644335020).

Almost surely, 2^28110608860 is an apocalyptic number.

28110608860 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 28110608860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30928080960).

28110608860 is an abundant number, since it is smaller than the sum of its proper divisors (33745553060).

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

28110608860 is a wasteful number, since it uses less digits than its factorization.

28110608860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 28110608860 in words is "twenty-eight billion, one hundred ten million, six hundred eight thousand, eight hundred sixty".