27313163387 has 2 divisors, whose sum is σ = 27313163388. Its totient is φ = 27313163386.

The previous prime is 27313163281. The next prime is 27313163399. The reversal of 27313163387 is 78336131372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27313163387 - 2²⁰ = 27312114811 is a prime.

It is not a weakly prime, because it can be changed into another prime (27313163587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656581693 + 13656581694.

It is an arithmetic number, because the mean of its divisors is an integer number (13656581694).

Almost surely, 2^27313163387 is an apocalyptic number.

27313163387 is a deficient number, since it is larger than the sum of its proper divisors (1).

27313163387 is an equidigital number, since it uses as much as digits as its factorization.

27313163387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The spelling of 27313163387 in words is "twenty-seven billion, three hundred thirteen million, one hundred sixty-three thousand, three hundred eighty-seven".