18177827852 has 12 divisors (see below), whose sum is σ = 32411410416. Its totient is φ = 8917424880.

The previous prime is 18177827809. The next prime is 18177827909. The reversal of 18177827852 is 25872877181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42872024 + ... + 42872447.

It is an arithmetic number, because the mean of its divisors is an integer number (2700950868).

Almost surely, 2^18177827852 is an apocalyptic number.

It is an amenable number.

18177827852 is a deficient number, since it is larger than the sum of its proper divisors (14233582564).

18177827852 is a wasteful number, since it uses less digits than its factorization.

18177827852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85744528 (or 85744526 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 56.

The spelling of 18177827852 in words is "eighteen billion, one hundred seventy-seven million, eight hundred twenty-seven thousand, eight hundred fifty-two".