28382404472066 has 8 divisors (see below), whose sum is σ = 44424633086784. Its totient is φ = 13574193443140.

The previous prime is 28382404472039. The next prime is 28382404472077. The reversal of 28382404472066 is 66027440428382.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308504396390 + ... + 308504396481.

It is an arithmetic number, because the mean of its divisors is an integer number (5553079135848).

Almost surely, 2^{28382404472066} is an apocalyptic number.

28382404472066 is a deficient number, since it is larger than the sum of its proper divisors (16042228614718).

28382404472066 is a wasteful number, since it uses less digits than its factorization.

28382404472066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617008792896.

The product of its (nonzero) digits is 24772608, while the sum is 56.

The spelling of 28382404472066 in words is "twenty-eight trillion, three hundred eighty-two billion, four hundred four million, four hundred seventy-two thousand, sixty-six".