28588727158 has 8 divisors (see below), whose sum is σ = 42885569160. Its totient is φ = 14293537440.

The previous prime is 28588727149. The next prime is 28588727171. The reversal of 28588727158 is 85172788582.

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

It is a junction number, because it is equal to n+sod(n) for n = 28588727096 and 28588727105.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 368868 + ... + 439591.

It is an arithmetic number, because the mean of its divisors is an integer number (5360696145).

Almost surely, 2^28588727158 is an apocalyptic number.

28588727158 is a deficient number, since it is larger than the sum of its proper divisors (14296842002).

28588727158 is a wasteful number, since it uses less digits than its factorization.

28588727158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826142.

The product of its digits is 20070400, while the sum is 61.

The spelling of 28588727158 in words is "twenty-eight billion, five hundred eighty-eight million, seven hundred twenty-seven thousand, one hundred fifty-eight".