27143994986 has 8 divisors (see below), whose sum is σ = 40908959904. Its totient is φ = 13507675020.

The previous prime is 27143994959. The next prime is 27143995001. The reversal of 27143994986 is 68949934172.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32160710 + ... + 32161553.

It is an arithmetic number, because the mean of its divisors is an integer number (5113619988).

Almost surely, 2^27143994986 is an apocalyptic number.

27143994986 is a deficient number, since it is larger than the sum of its proper divisors (13764964918).

27143994986 is a wasteful number, since it uses less digits than its factorization.

27143994986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64322476.

The product of its digits is 23514624, while the sum is 62.

The spelling of 27143994986 in words is "twenty-seven billion, one hundred forty-three million, nine hundred ninety-four thousand, nine hundred eighty-six".