28550584671 has 8 divisors (see below), whose sum is σ = 43505652864. Its totient is φ = 16314619800.

The previous prime is 28550584661. The next prime is 28550584747. The reversal of 28550584671 is 17648505582.

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

It is not a de Polignac number, because 28550584671 - 2²⁹ = 28013713759 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28550584661) 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, 679775805 + ... + 679775846.

It is an arithmetic number, because the mean of its divisors is an integer number (5438206608).

Almost surely, 2^28550584671 is an apocalyptic number.

28550584671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28550584671 is a deficient number, since it is larger than the sum of its proper divisors (14955068193).

28550584671 is a wasteful number, since it uses less digits than its factorization.

28550584671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359551661.

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 28550584671 in words is "twenty-eight billion, five hundred fifty million, five hundred eighty-four thousand, six hundred seventy-one".