27873846018 has 12 divisors (see below), whose sum is σ = 60393333078. Its totient is φ = 9291282000.

The previous prime is 27873845921. The next prime is 27873846041. The reversal of 27873846018 is 81064837872.

It is a happy number.

27873846018 is a `hidden beast` number, since 27 + 8 + 7 + 3 + 8 + 4 + 601 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21214796409 + 6659049609 = 145653^2 + 81603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 774273483 + ... + 774273518.

Almost surely, 2^27873846018 is an apocalyptic number.

27873846018 is an abundant number, since it is smaller than the sum of its proper divisors (32519487060).

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

27873846018 is a wasteful number, since it uses less digits than its factorization.

27873846018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548547009 (or 1548547006 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 27873846018 in words is "twenty-seven billion, eight hundred seventy-three million, eight hundred forty-six thousand, eighteen".