28988027160 has 256 divisors, whose sum is σ = 93519014400. Its totient is φ = 7166361600.

The previous prime is 28988027153. The next prime is 28988027191. The reversal of 28988027160 is 6172088982.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 35743155 + ... + 35743965.

It is an arithmetic number, because the mean of its divisors is an integer number (365308650).

Almost surely, 2^28988027160 is an apocalyptic number.

28988027160 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 28988027160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46759507200).

28988027160 is an abundant number, since it is smaller than the sum of its proper divisors (64530987240).

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

28988027160 is a wasteful number, since it uses less digits than its factorization.

28988027160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 28988027160 in words is "twenty-eight billion, nine hundred eighty-eight million, twenty-seven thousand, one hundred sixty".