28888068 has 24 divisors (see below), whose sum is σ = 73533600. Its totient is φ = 8753920.

The previous prime is 28888051. The next prime is 28888087. The reversal of 28888068 is 86088882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109293 + ... + 109556.

It is an arithmetic number, because the mean of its divisors is an integer number (3063900).

Almost surely, 2^28888068 is an apocalyptic number.

It is an amenable number.

28888068 is an abundant number, since it is smaller than the sum of its proper divisors (44645532).

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

28888068 is a wasteful number, since it uses less digits than its factorization.

28888068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218867 (or 218865 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The square root of 28888068 is about 5374.7621342716. The cubic root of 28888068 is about 306.8358964088.

The spelling of 28888068 in words is "twenty-eight million, eight hundred eighty-eight thousand, sixty-eight".