27760982393 has 2 divisors, whose sum is σ = 27760982394. Its totient is φ = 27760982392.

The previous prime is 27760982387. The next prime is 27760982401. The reversal of 27760982393 is 39328906772.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22777751929 + 4983230464 = 150923^2 + 70592^2 .

It is a cyclic number.

It is not a de Polignac number, because 27760982393 - 2¹⁸ = 27760720249 is a prime.

It is not a weakly prime, because it can be changed into another prime (27760984393) 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, 13880491196 + 13880491197.

It is an arithmetic number, because the mean of its divisors is an integer number (13880491197).

Almost surely, 2^27760982393 is an apocalyptic number.

It is an amenable number.

27760982393 is a deficient number, since it is larger than the sum of its proper divisors (1).

27760982393 is an equidigital number, since it uses as much as digits as its factorization.

27760982393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 27760982393 in words is "twenty-seven billion, seven hundred sixty million, nine hundred eighty-two thousand, three hundred ninety-three".