28638086086 has 8 divisors (see below), whose sum is σ = 43956132264. Its totient is φ = 13986042000.

The previous prime is 28638086063. The next prime is 28638086093. The reversal of 28638086086 is 68068083682.

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

28638086086 is a modest number, since divided by 86086 gives 28638 as remainder.

It is a congruent number.

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, 166500415 + ... + 166500586.

It is an arithmetic number, because the mean of its divisors is an integer number (5494516533).

Almost surely, 2^28638086086 is an apocalyptic number.

28638086086 is a deficient number, since it is larger than the sum of its proper divisors (15318046178).

28638086086 is a wasteful number, since it uses less digits than its factorization.

28638086086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333001046.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 28638086086 in words is "twenty-eight billion, six hundred thirty-eight million, eighty-six thousand, eighty-six".