27779340502747 has 2 divisors, whose sum is σ = 27779340502748. Its totient is φ = 27779340502746.

The previous prime is 27779340502699. The next prime is 27779340502813. The reversal of 27779340502747 is 74720504397772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27779340502747 - 2¹¹ = 27779340500699 is a prime.

It is not a weakly prime, because it can be changed into another prime (27779340502447) 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, 13889670251373 + 13889670251374.

It is an arithmetic number, because the mean of its divisors is an integer number (13889670251374).

Almost surely, 2^{27779340502747} is an apocalyptic number.

27779340502747 is a deficient number, since it is larger than the sum of its proper divisors (1).

27779340502747 is an equidigital number, since it uses as much as digits as its factorization.

27779340502747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145212480, while the sum is 64.

The spelling of 27779340502747 in words is "twenty-seven trillion, seven hundred seventy-nine billion, three hundred forty million, five hundred two thousand, seven hundred forty-seven".