27850543838 has 16 divisors (see below), whose sum is σ = 46035605616. Its totient is φ = 12555164160.

The previous prime is 27850543829. The next prime is 27850543891. The reversal of 27850543838 is 83834505872.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 27850543838.

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, 12454403 + ... + 12456638.

It is an arithmetic number, because the mean of its divisors is an integer number (2877225351).

Almost surely, 2^27850543838 is an apocalyptic number.

27850543838 is a deficient number, since it is larger than the sum of its proper divisors (18185061778).

27850543838 is a wasteful number, since it uses less digits than its factorization.

27850543838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24911099.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 27850543838 in words is "twenty-seven billion, eight hundred fifty million, five hundred forty-three thousand, eight hundred thirty-eight".