28060478208 has 432 divisors, whose sum is σ = 94874794560. Its totient is φ = 7811629056.

The previous prime is 28060478207. The next prime is 28060478231. The reversal of 28060478208 is 80287406082.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28060478207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162199210 + ... + 162199382.

It is an arithmetic number, because the mean of its divisors is an integer number (219617580).

Almost surely, 2^28060478208 is an apocalyptic number.

28060478208 is a gapful number since it is divisible by the number (28) 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 28060478208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47437397280).

28060478208 is an abundant number, since it is smaller than the sum of its proper divisors (66814316352).

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

28060478208 is a wasteful number, since it uses less digits than its factorization.

28060478208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 28060478208 in words is "twenty-eight billion, sixty million, four hundred seventy-eight thousand, two hundred eight".