28321063366 has 8 divisors (see below), whose sum is σ = 42483083544. Its totient is φ = 14160035520.

The previous prime is 28321063319. The next prime is 28321063369. The reversal of 28321063366 is 66336012382.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28321063369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172075 + ... + 293686.

It is an arithmetic number, because the mean of its divisors is an integer number (5310385443).

Almost surely, 2^28321063366 is an apocalyptic number.

28321063366 is a deficient number, since it is larger than the sum of its proper divisors (14162020178).

28321063366 is a wasteful number, since it uses less digits than its factorization.

28321063366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496166.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 28321063366 in words is "twenty-eight billion, three hundred twenty-one million, sixty-three thousand, three hundred sixty-six".