27072755726997 has 4 divisors (see below), whose sum is σ = 36097007636000. Its totient is φ = 18048503817996.

The previous prime is 27072755726963. The next prime is 27072755727089. The reversal of 27072755726997 is 79962755727072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27072755726997 - 2¹⁹ = 27072755202709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072755226997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512125954497 + ... + 4512125954502.

It is an arithmetic number, because the mean of its divisors is an integer number (9024251909000).

Almost surely, 2^{27072755726997} is an apocalyptic number.

It is an amenable number.

27072755726997 is a deficient number, since it is larger than the sum of its proper divisors (9024251909003).

27072755726997 is an equidigital number, since it uses as much as digits as its factorization.

27072755726997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024251909002.

The product of its (nonzero) digits is 1633640400, while the sum is 75.

Adding to 27072755726997 its sum of digits (75), we get a palindrome (27072755727072).

The spelling of 27072755726997 in words is "twenty-seven trillion, seventy-two billion, seven hundred fifty-five million, seven hundred twenty-six thousand, nine hundred ninety-seven".