27667706736 has 80 divisors (see below), whose sum is σ = 72254946816. Its totient is φ = 9122135808.

The previous prime is 27667706699. The next prime is 27667706741. The reversal of 27667706736 is 63760776672.

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 15 ways as a sum of consecutive naturals, for example, 4857106 + ... + 4862798.

Almost surely, 2^27667706736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27667706736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36127473408).

27667706736 is an abundant number, since it is smaller than the sum of its proper divisors (44587240080).

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

27667706736 is a wasteful number, since it uses less digits than its factorization.

27667706736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 57.

The spelling of 27667706736 in words is "twenty-seven billion, six hundred sixty-seven million, seven hundred six thousand, seven hundred thirty-six".