27874651218 has 16 divisors (see below), whose sum is σ = 55766479296. Its totient is φ = 9288687600.

The previous prime is 27874651183. The next prime is 27874651219. The reversal of 27874651218 is 81215647872.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27874651219) 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, 694558 + ... + 733593.

It is an arithmetic number, because the mean of its divisors is an integer number (3485404956).

Almost surely, 2^27874651218 is an apocalyptic number.

27874651218 is an abundant number, since it is smaller than the sum of its proper divisors (27891828078).

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

27874651218 is a wasteful number, since it uses less digits than its factorization.

27874651218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431409.

The product of its digits is 1505280, while the sum is 51.

The spelling of 27874651218 in words is "twenty-seven billion, eight hundred seventy-four million, six hundred fifty-one thousand, two hundred eighteen".