814450687607 has 2 divisors, whose sum is σ = 814450687608. Its totient is φ = 814450687606.

The previous prime is 814450687549. The next prime is 814450687651. The reversal of 814450687607 is 706786054418.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814450687607 - 2¹² = 814450683511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814450687697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407225343803 + 407225343804.

It is an arithmetic number, because the mean of its divisors is an integer number (407225343804).

Almost surely, 2^814450687607 is an apocalyptic number.

814450687607 is a deficient number, since it is larger than the sum of its proper divisors (1).

814450687607 is an equidigital number, since it uses as much as digits as its factorization.

814450687607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 814450687607 in words is "eight hundred fourteen billion, four hundred fifty million, six hundred eighty-seven thousand, six hundred seven".