28055835806 has 32 divisors (see below), whose sum is σ = 44283365280. Its totient is φ = 13312252800.

The previous prime is 28055835793. The next prime is 28055835809. The reversal of 28055835806 is 60853855082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055835809) 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 15 ways as a sum of consecutive naturals, for example, 1783616 + ... + 1799276.

It is an arithmetic number, because the mean of its divisors is an integer number (1383855165).

Almost surely, 2^28055835806 is an apocalyptic number.

28055835806 is a deficient number, since it is larger than the sum of its proper divisors (16227529474).

28055835806 is a wasteful number, since it uses less digits than its factorization.

28055835806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16220.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 28055835806 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-five thousand, eight hundred six".