28872618180 has 192 divisors, whose sum is σ = 95572377600. Its totient is φ = 6373209600.

The previous prime is 28872618179. The next prime is 28872618199. The reversal of 28872618180 is 8181627882.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7041771 + ... + 7045869.

It is an arithmetic number, because the mean of its divisors is an integer number (497772800).

Almost surely, 2^28872618180 is an apocalyptic number.

28872618180 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 28872618180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47786188800).

28872618180 is an abundant number, since it is smaller than the sum of its proper divisors (66699759420).

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

28872618180 is a wasteful number, since it uses less digits than its factorization.

28872618180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 28872618180 in words is "twenty-eight billion, eight hundred seventy-two million, six hundred eighteen thousand, one hundred eighty".