28886827623 has 8 divisors (see below), whose sum is σ = 38521302768. Its totient is φ = 19255118784.

The previous prime is 28886827597. The next prime is 28886827643. The reversal of 28886827623 is 32672868882.

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

It is not a de Polignac number, because 28886827623 - 2¹⁰ = 28886826599 is a prime.

It is a Smith number, since the sum of its digits (60) 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 (28886827643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667086 + ... + 709067.

It is an arithmetic number, because the mean of its divisors is an integer number (4815162846).

Almost surely, 2^28886827623 is an apocalyptic number.

28886827623 is a deficient number, since it is larger than the sum of its proper divisors (9634475145).

28886827623 is a wasteful number, since it uses less digits than its factorization.

28886827623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383153.

The product of its digits is 24772608, while the sum is 60.

The spelling of 28886827623 in words is "twenty-eight billion, eight hundred eighty-six million, eight hundred twenty-seven thousand, six hundred twenty-three".