28861710080 has 288 divisors, whose sum is σ = 84387308544. Its totient is φ = 9242247168.

The previous prime is 28861710077. The next prime is 28861710121. The reversal of 28861710080 is 8001716882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8859812 + ... + 8863068.

It is an arithmetic number, because the mean of its divisors is an integer number (293011488).

Almost surely, 2^28861710080 is an apocalyptic number.

28861710080 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 28861710080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42193654272).

28861710080 is an abundant number, since it is smaller than the sum of its proper divisors (55525598464).

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

28861710080 is a wasteful number, since it uses less digits than its factorization.

28861710080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 28861710080 in words is "twenty-eight billion, eight hundred sixty-one million, seven hundred ten thousand, eighty".