28888585873146 has 12 divisors (see below), whose sum is σ = 62591936058522. Its totient is φ = 9629528624376.

The previous prime is 28888585873139. The next prime is 28888585873157. The reversal of 28888585873146 is 64137858588882.

28888585873146 is a `hidden beast` number, since 28 + 8 + 8 + 8 + 5 + 8 + 587 + 3 + 1 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22700984348025 + 6187601525121 = 4764555^2 + 2487489^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802460718681 + ... + 802460718716.

Almost surely, 2^{28888585873146} is an apocalyptic number.

28888585873146 is an abundant number, since it is smaller than the sum of its proper divisors (33703350185376).

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

28888585873146 is a wasteful number, since it uses less digits than its factorization.

28888585873146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604921437405 (or 1604921437402 counting only the distinct ones).

The product of its digits is 6606028800, while the sum is 81.

The spelling of 28888585873146 in words is "twenty-eight trillion, eight hundred eighty-eight billion, five hundred eighty-five million, eight hundred seventy-three thousand, one hundred forty-six".