28313085586 has 8 divisors (see below), whose sum is σ = 43270942284. Its totient is φ = 13889438160.

The previous prime is 28313085569. The next prime is 28313085587. The reversal of 28313085586 is 68558031382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28213584961 + 99500625 = 167969^2 + 9975^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28313085587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133552185 + ... + 133552396.

Almost surely, 2^28313085586 is an apocalyptic number.

28313085586 is a deficient number, since it is larger than the sum of its proper divisors (14957856698).

28313085586 is a wasteful number, since it uses less digits than its factorization.

28313085586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267104636.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 28313085586 in words is "twenty-eight billion, three hundred thirteen million, eighty-five thousand, five hundred eighty-six".