27682406407 has 2 divisors, whose sum is σ = 27682406408. Its totient is φ = 27682406406.

The previous prime is 27682406393. The next prime is 27682406449. The reversal of 27682406407 is 70460428672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27682406407 - 2¹⁵ = 27682373639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27682407407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13841203203 + 13841203204.

It is an arithmetic number, because the mean of its divisors is an integer number (13841203204).

Almost surely, 2^27682406407 is an apocalyptic number.

27682406407 is a deficient number, since it is larger than the sum of its proper divisors (1).

27682406407 is an equidigital number, since it uses as much as digits as its factorization.

27682406407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 27682406407 in words is "twenty-seven billion, six hundred eighty-two million, four hundred six thousand, four hundred seven".