27466406287 has 2 divisors, whose sum is σ = 27466406288. Its totient is φ = 27466406286.

The previous prime is 27466406273. The next prime is 27466406339. The reversal of 27466406287 is 78260466472.

It is a happy number.

It is an a-pointer prime, because the next prime (27466406339) can be obtained adding 27466406287 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27466406287 - 2⁷ = 27466406159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27466406257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13733203143 + 13733203144.

It is an arithmetic number, because the mean of its divisors is an integer number (13733203144).

Almost surely, 2^27466406287 is an apocalyptic number.

27466406287 is a deficient number, since it is larger than the sum of its proper divisors (1).

27466406287 is an equidigital number, since it uses as much as digits as its factorization.

27466406287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 27466406287 in words is "twenty-seven billion, four hundred sixty-six million, four hundred six thousand, two hundred eighty-seven".