28552318885 has 8 divisors (see below), whose sum is σ = 34264724256. Its totient is φ = 22840560720.

The previous prime is 28552318877. The next prime is 28552318903. The reversal of 28552318885 is 58881325582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28552318885 - 2³ = 28552318877 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 58779 + ... + 246088.

It is an arithmetic number, because the mean of its divisors is an integer number (4283090532).

Almost surely, 2^28552318885 is an apocalyptic number.

It is an amenable number.

28552318885 is a deficient number, since it is larger than the sum of its proper divisors (5712405371).

28552318885 is a wasteful number, since it uses less digits than its factorization.

28552318885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323603.

The product of its digits is 6144000, while the sum is 55.

The spelling of 28552318885 in words is "twenty-eight billion, five hundred fifty-two million, three hundred eighteen thousand, eight hundred eighty-five".