28810106880 has 192 divisors, whose sum is σ = 92886393600. Its totient is φ = 7622983680.

The previous prime is 28810106807. The next prime is 28810106881. The reversal of 28810106880 is 8860101882.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28810106881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4020741 + ... + 4027899.

It is an arithmetic number, because the mean of its divisors is an integer number (483783300).

Almost surely, 2^28810106880 is an apocalyptic number.

28810106880 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 28810106880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46443196800).

28810106880 is an abundant number, since it is smaller than the sum of its proper divisors (64076286720).

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

28810106880 is a wasteful number, since it uses less digits than its factorization.

28810106880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 42.

The spelling of 28810106880 in words is "twenty-eight billion, eight hundred ten million, one hundred six thousand, eight hundred eighty".