28216543246 has 16 divisors (see below), whose sum is σ = 42637961520. Its totient is φ = 14003930880.

The previous prime is 28216543219. The next prime is 28216543253. The reversal of 28216543246 is 64234561282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262540 + ... + 2274976.

It is an arithmetic number, because the mean of its divisors is an integer number (2664872595).

Almost surely, 2^28216543246 is an apocalyptic number.

28216543246 is a deficient number, since it is larger than the sum of its proper divisors (14421418274).

28216543246 is a wasteful number, since it uses less digits than its factorization.

28216543246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20739.

The product of its digits is 552960, while the sum is 43.

The spelling of 28216543246 in words is "twenty-eight billion, two hundred sixteen million, five hundred forty-three thousand, two hundred forty-six".