28857314586 has 16 divisors (see below), whose sum is σ = 58286062368. Its totient is φ = 9523866000.

The previous prime is 28857314557. The next prime is 28857314611. The reversal of 28857314586 is 68541375882.

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 7 ways as a sum of consecutive naturals, for example, 23809060 + ... + 23810271.

It is an arithmetic number, because the mean of its divisors is an integer number (3642878898).

Almost surely, 2^28857314586 is an apocalyptic number.

28857314586 is an abundant number, since it is smaller than the sum of its proper divisors (29428747782).

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

28857314586 is a wasteful number, since it uses less digits than its factorization.

28857314586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47619437.

The product of its digits is 12902400, while the sum is 57.

The spelling of 28857314586 in words is "twenty-eight billion, eight hundred fifty-seven million, three hundred fourteen thousand, five hundred eighty-six".