27864662446 has 16 divisors (see below), whose sum is σ = 41981507568. Its totient is φ = 13870857600.

The previous prime is 27864662437. The next prime is 27864662453. The reversal of 27864662446 is 64426646872.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3355876 + ... + 3364168.

It is an arithmetic number, because the mean of its divisors is an integer number (2623844223).

Almost surely, 2^27864662446 is an apocalyptic number.

27864662446 is a deficient number, since it is larger than the sum of its proper divisors (14116845122).

27864662446 is a wasteful number, since it uses less digits than its factorization.

27864662446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15507.

The product of its digits is 18579456, while the sum is 55.

The spelling of 27864662446 in words is "twenty-seven billion, eight hundred sixty-four million, six hundred sixty-two thousand, four hundred forty-six".