27932413218 has 8 divisors (see below), whose sum is σ = 55864826448. Its totient is φ = 9310804404.

The previous prime is 27932413213. The next prime is 27932413253. The reversal of 27932413218 is 81231423972.

It is a sphenic number, since it is the product of 3 distinct primes.

27932413218 is an admirable number.

It is a super-2 number, since 2×27932413218² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27932413218.

It is not an unprimeable number, because it can be changed into a prime (27932413213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327701096 + ... + 2327701107.

It is an arithmetic number, because the mean of its divisors is an integer number (6983103306).

Almost surely, 2^27932413218 is an apocalyptic number.

27932413218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27932413218 is a wasteful number, since it uses less digits than its factorization.

27932413218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655402208.

The product of its digits is 145152, while the sum is 42.

The spelling of 27932413218 in words is "twenty-seven billion, nine hundred thirty-two million, four hundred thirteen thousand, two hundred eighteen".