28313628806 has 8 divisors (see below), whose sum is σ = 42474770184. Its totient is φ = 14155372080.

The previous prime is 28313628803. The next prime is 28313628821. The reversal of 28313628806 is 60882631382.

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 (28313628803) by changing a digit.

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, 696455 + ... + 735986.

It is an arithmetic number, because the mean of its divisors is an integer number (5309346273).

Almost surely, 2^28313628806 is an apocalyptic number.

28313628806 is a deficient number, since it is larger than the sum of its proper divisors (14161141378).

28313628806 is a wasteful number, since it uses less digits than its factorization.

28313628806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442326.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 28313628806 in words is "twenty-eight billion, three hundred thirteen million, six hundred twenty-eight thousand, eight hundred six".