28581925823255 has 8 divisors (see below), whose sum is σ = 39198069700512. Its totient is φ = 19599034850208.

The previous prime is 28581925823197. The next prime is 28581925823261. The reversal of 28581925823255 is 55232852918582.

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

It is a cyclic number.

It is not a de Polignac number, because 28581925823255 - 2¹⁶ = 28581925757719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28581925823191 and 28581925823200.

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, 408313226012 + ... + 408313226081.

It is an arithmetic number, because the mean of its divisors is an integer number (4899758712564).

Almost surely, 2^{28581925823255} is an apocalyptic number.

28581925823255 is a deficient number, since it is larger than the sum of its proper divisors (10616143877257).

28581925823255 is an equidigital number, since it uses as much as digits as its factorization.

28581925823255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816626452105.

The product of its digits is 138240000, while the sum is 65.

The spelling of 28581925823255 in words is "twenty-eight trillion, five hundred eighty-one billion, nine hundred twenty-five million, eight hundred twenty-three thousand, two hundred fifty-five".