7071716386687 has 2 divisors, whose sum is σ = 7071716386688. Its totient is φ = 7071716386686.

The previous prime is 7071716386661. The next prime is 7071716386723. The reversal of 7071716386687 is 7866836171707.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7071716386687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7071716386387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535858193343 + 3535858193344.

It is an arithmetic number, because the mean of its divisors is an integer number (3535858193344).

Almost surely, 2^{7071716386687} is an apocalyptic number.

7071716386687 is a deficient number, since it is larger than the sum of its proper divisors (1).

7071716386687 is an equidigital number, since it uses as much as digits as its factorization.

7071716386687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 7071716386687 in words is "seven trillion, seventy-one billion, seven hundred sixteen million, three hundred eighty-six thousand, six hundred eighty-seven".