27850851108 has 72 divisors (see below), whose sum is σ = 73541456352. Its totient is φ = 9215809344.

The previous prime is 27850851097. The next prime is 27850851131. The reversal of 27850851108 is 80115805872.

27850851108 is a `hidden beast` number, since 27 + 8 + 508 + 5 + 110 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28591 + ... + 237737.

It is an arithmetic number, because the mean of its divisors is an integer number (1021409116).

Almost surely, 2^27850851108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27850851108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36770728176).

27850851108 is an abundant number, since it is smaller than the sum of its proper divisors (45690605244).

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

27850851108 is a wasteful number, since it uses less digits than its factorization.

27850851108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209303 (or 209289 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 45.

The spelling of 27850851108 in words is "twenty-seven billion, eight hundred fifty million, eight hundred fifty-one thousand, one hundred eight".