28829638288 has 20 divisors (see below), whose sum is σ = 60935372208. Its totient is φ = 13104380960.

The previous prime is 28829638141. The next prime is 28829638333. The reversal of 28829638288 is 88283692882.

It is a super-2 number, since 2×28829638288² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81902206 + ... + 81902557.

Almost surely, 2^28829638288 is an apocalyptic number.

It is an amenable number.

28829638288 is an abundant number, since it is smaller than the sum of its proper divisors (32105733920).

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

28829638288 is a wasteful number, since it uses less digits than its factorization.

28829638288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163804782 (or 163804776 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 64.

The spelling of 28829638288 in words is "twenty-eight billion, eight hundred twenty-nine million, six hundred thirty-eight thousand, two hundred eighty-eight".