28988464060 has 48 divisors (see below), whose sum is σ = 61452256320. Its totient is φ = 11486085120.

The previous prime is 28988464019. The next prime is 28988464123. The reversal of 28988464060 is 6046488982.

It is a junction number, because it is equal to n+sod(n) for n = 28988463992 and 28988464010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914761 + ... + 945919.

It is an arithmetic number, because the mean of its divisors is an integer number (1280255340).

Almost surely, 2^28988464060 is an apocalyptic number.

28988464060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28988464060 is an abundant number, since it is smaller than the sum of its proper divisors (32463792260).

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

28988464060 is a wasteful number, since it uses less digits than its factorization.

28988464060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31606 (or 31604 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 28988464060 in words is "twenty-eight billion, nine hundred eighty-eight million, four hundred sixty-four thousand, sixty".