27650027774879 has 2 divisors, whose sum is σ = 27650027774880. Its totient is φ = 27650027774878.

The previous prime is 27650027774861. The next prime is 27650027775047. The reversal of 27650027774879 is 97847772005672.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27650027774879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27650027771879) 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, 13825013887439 + 13825013887440.

It is an arithmetic number, because the mean of its divisors is an integer number (13825013887440).

Almost surely, 2^{27650027774879} is an apocalyptic number.

27650027774879 is a deficient number, since it is larger than the sum of its proper divisors (1).

27650027774879 is an equidigital number, since it uses as much as digits as its factorization.

27650027774879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580849920, while the sum is 71.

The spelling of 27650027774879 in words is "twenty-seven trillion, six hundred fifty billion, twenty-seven million, seven hundred seventy-four thousand, eight hundred seventy-nine".