28318052586 has 16 divisors (see below), whose sum is σ = 56638187424. Its totient is φ = 9439003824.

The previous prime is 28318052557. The next prime is 28318052591. The reversal of 28318052586 is 68525081382.

It is a super-2 number, since 2×28318052586² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 132765 + ... + 272511.

It is an arithmetic number, because the mean of its divisors is an integer number (3539886714).

Almost surely, 2^28318052586 is an apocalyptic number.

28318052586 is an abundant number, since it is smaller than the sum of its proper divisors (28320134838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28318052586 is a wasteful number, since it uses less digits than its factorization.

28318052586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173525.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 28318052586 in words is "twenty-eight billion, three hundred eighteen million, fifty-two thousand, five hundred eighty-six".