28539476518 has 16 divisors (see below), whose sum is σ = 49613900544. Its totient is φ = 12058933320.

The previous prime is 28539476473. The next prime is 28539476521. The reversal of 28539476518 is 81567493582.

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 7 ways as a sum of consecutive naturals, for example, 14354880 + ... + 14356867.

It is an arithmetic number, because the mean of its divisors is an integer number (3100868784).

Almost surely, 2^28539476518 is an apocalyptic number.

28539476518 is a deficient number, since it is larger than the sum of its proper divisors (21074424026).

28539476518 is a wasteful number, since it uses less digits than its factorization.

28539476518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28711827.

The product of its digits is 14515200, while the sum is 58.

The spelling of 28539476518 in words is "twenty-eight billion, five hundred thirty-nine million, four hundred seventy-six thousand, five hundred eighteen".