27332666623397 has 2 divisors, whose sum is σ = 27332666623398. Its totient is φ = 27332666623396.

The previous prime is 27332666623337. The next prime is 27332666623429. The reversal of 27332666623397 is 79332666623372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21783819974596 + 5548846648801 = 4667314^2 + 2355599^2 .

It is a cyclic number.

It is not a de Polignac number, because 27332666623397 - 2³⁰ = 27331592881573 is a prime.

It is a super-2 number, since 2×27332666623397² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27332666623337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13666333311698 + 13666333311699.

It is an arithmetic number, because the mean of its divisors is an integer number (13666333311699).

Almost surely, 2^{27332666623397} is an apocalyptic number.

It is an amenable number.

27332666623397 is a deficient number, since it is larger than the sum of its proper divisors (1).

27332666623397 is an equidigital number, since it uses as much as digits as its factorization.

27332666623397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370355328, while the sum is 65.

The spelling of 27332666623397 in words is "twenty-seven trillion, three hundred thirty-two billion, six hundred sixty-six million, six hundred twenty-three thousand, three hundred ninety-seven".