28338808125 has 40 divisors (see below), whose sum is σ = 47990463136. Its totient is φ = 14866200000.

The previous prime is 28338808103. The next prime is 28338808133. The reversal of 28338808125 is 52180883382.

It is not a de Polignac number, because 28338808125 - 2¹¹ = 28338806077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9511 + ... + 238260.

Almost surely, 2^28338808125 is an apocalyptic number.

28338808125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28338808125 is a deficient number, since it is larger than the sum of its proper divisors (19651655011).

28338808125 is an equidigital number, since it uses as much as digits as its factorization.

28338808125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247855 (or 247840 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 28338808125 in words is "twenty-eight billion, three hundred thirty-eight million, eight hundred eight thousand, one hundred twenty-five".