28828084869808 has 40 divisors (see below), whose sum is σ = 67588535119392. Its totient is φ = 11628135072768.

The previous prime is 28828084869767. The next prime is 28828084869811. The reversal of 28828084869808 is 80896848082882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7570398535 + ... + 7570402342.

Almost surely, 2^{28828084869808} is an apocalyptic number.

28828084869808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28828084869808 is an abundant number, since it is smaller than the sum of its proper divisors (38760450249584).

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

28828084869808 is a wasteful number, since it uses less digits than its factorization.

28828084869808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140800909 (or 15140800903 counting only the distinct ones).

The product of its (nonzero) digits is 1811939328, while the sum is 79.

The spelling of 28828084869808 in words is "twenty-eight trillion, eight hundred twenty-eight billion, eighty-four million, eight hundred sixty-nine thousand, eight hundred eight".