27878394059119 has 2 divisors, whose sum is σ = 27878394059120. Its totient is φ = 27878394059118.

The previous prime is 27878394059107. The next prime is 27878394059227. The reversal of 27878394059119 is 91195049387872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27878394059119 - 2²¹ = 27878391961967 is a prime.

It is a super-2 number, since 2×27878394059119² (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 (27878394050119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13939197029559 + 13939197029560.

It is an arithmetic number, because the mean of its divisors is an integer number (13939197029560).

Almost surely, 2^{27878394059119} is an apocalyptic number.

27878394059119 is a deficient number, since it is larger than the sum of its proper divisors (1).

27878394059119 is an equidigital number, since it uses as much as digits as its factorization.

27878394059119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274337280, while the sum is 73.

The spelling of 27878394059119 in words is "twenty-seven trillion, eight hundred seventy-eight billion, three hundred ninety-four million, fifty-nine thousand, one hundred nineteen".