28216824366 has 32 divisors (see below), whose sum is σ = 59799485088. Its totient is φ = 8845491200.

The previous prime is 28216824343. The next prime is 28216824379. The reversal of 28216824366 is 66342861282.

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 15 ways as a sum of consecutive naturals, for example, 26386 + ... + 239018.

It is an arithmetic number, because the mean of its divisors is an integer number (1868733909).

Almost surely, 2^28216824366 is an apocalyptic number.

28216824366 is an abundant number, since it is smaller than the sum of its proper divisors (31582660722).

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

28216824366 is a wasteful number, since it uses less digits than its factorization.

28216824366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213956.

The product of its digits is 1327104, while the sum is 48.

The spelling of 28216824366 in words is "twenty-eight billion, two hundred sixteen million, eight hundred twenty-four thousand, three hundred sixty-six".