1327616287 has 2 divisors, whose sum is σ = 1327616288. Its totient is φ = 1327616286.

The previous prime is 1327616273. The next prime is 1327616333. The reversal of 1327616287 is 7826167231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1327616287 - 2¹⁵ = 1327583519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327616237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663808143 + 663808144.

It is an arithmetic number, because the mean of its divisors is an integer number (663808144).

Almost surely, 2^1327616287 is an apocalyptic number.

1327616287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327616287 is an equidigital number, since it uses as much as digits as its factorization.

1327616287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 1327616287 is about 36436.4691895359. The cubic root of 1327616287 is about 1099.0670566245.

The spelling of 1327616287 in words is "one billion, three hundred twenty-seven million, six hundred sixteen thousand, two hundred eighty-seven".