27850328018 has 16 divisors (see below), whose sum is σ = 43127234304. Its totient is φ = 13474669680.

The previous prime is 27850328017. The next prime is 27850328027. The reversal of 27850328018 is 81082305872.

It is a self number, because there is not a number n which added to its sum of digits gives 27850328018.

It is not an unprimeable number, because it can be changed into a prime (27850328017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070096 + ... + 1095812.

It is an arithmetic number, because the mean of its divisors is an integer number (2695452144).

Almost surely, 2^27850328018 is an apocalyptic number.

27850328018 is a deficient number, since it is larger than the sum of its proper divisors (15276906286).

27850328018 is a wasteful number, since it uses less digits than its factorization.

27850328018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43217.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 27850328018 in words is "twenty-seven billion, eight hundred fifty million, three hundred twenty-eight thousand, eighteen".