28164468288 has 56 divisors (see below), whose sum is σ = 81292903200. Its totient is φ = 8534686720.

The previous prime is 28164468239. The next prime is 28164468289. The reversal of 28164468288 is 88286446182.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28164468289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6665613 + ... + 6669836.

Almost surely, 2^28164468288 is an apocalyptic number.

It is an amenable number.

28164468288 is an abundant number, since it is smaller than the sum of its proper divisors (53128434912).

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

28164468288 is a wasteful number, since it uses less digits than its factorization.

28164468288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13335475 (or 13335465 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 57.

The spelling of 28164468288 in words is "twenty-eight billion, one hundred sixty-four million, four hundred sixty-eight thousand, two hundred eighty-eight".