27577327993744 has 15 divisors (see below), whose sum is σ = 53431113686353. Its totient is φ = 13788653494048.

The previous prime is 27577327993741. The next prime is 27577327993757. The reversal of 27577327993744 is 44739972377572.

It is a happy number.

The square root of 27577327993744 is 5251412.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16928122784400 + 10649205209344 = 4114380^2 + 3263312^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27577327993741) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20349222 + ... + 21662074.

Almost surely, 2^{27577327993744} is an apocalyptic number.

27577327993744 is the 5251412-nd square number.

It is an amenable number.

27577327993744 is a deficient number, since it is larger than the sum of its proper divisors (25853785692609).

27577327993744 is an frugal number, since it uses more digits than its factorization.

27577327993744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625714 (or 1312855 counting only the distinct ones).

The product of its digits is 3920736960, while the sum is 76.

The spelling of 27577327993744 in words is "twenty-seven trillion, five hundred seventy-seven billion, three hundred twenty-seven million, nine hundred ninety-three thousand, seven hundred forty-four".