28805652318 has 16 divisors (see below), whose sum is σ = 60116144256. Its totient is φ = 9184410840.

The previous prime is 28805652307. The next prime is 28805652319. The reversal of 28805652318 is 81325650882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28805652319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 104368168 + ... + 104368443.

It is an arithmetic number, because the mean of its divisors is an integer number (3757259016).

Almost surely, 2^28805652318 is an apocalyptic number.

28805652318 is an abundant number, since it is smaller than the sum of its proper divisors (31310491938).

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

28805652318 is a wasteful number, since it uses less digits than its factorization.

28805652318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208736639.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 28805652318 in words is "twenty-eight billion, eight hundred five million, six hundred fifty-two thousand, three hundred eighteen".