28358071806 has 16 divisors (see below), whose sum is σ = 58035124224. Its totient is φ = 9232860504.

The previous prime is 28358071787. The next prime is 28358071831. The reversal of 28358071806 is 60817085382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54957246 + ... + 54957761.

It is an arithmetic number, because the mean of its divisors is an integer number (3627195264).

Almost surely, 2^28358071806 is an apocalyptic number.

28358071806 is an abundant number, since it is smaller than the sum of its proper divisors (29677052418).

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

28358071806 is a wasteful number, since it uses less digits than its factorization.

28358071806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109915055.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 28358071806 in words is "twenty-eight billion, three hundred fifty-eight million, seventy-one thousand, eight hundred six".