1686800676007 has 2 divisors, whose sum is σ = 1686800676008. Its totient is φ = 1686800676006.

The previous prime is 1686800675951. The next prime is 1686800676047. The reversal of 1686800676007 is 7006760086861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1686800676007 - 2¹¹ = 1686800673959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1686800676047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 843400338003 + 843400338004.

It is an arithmetic number, because the mean of its divisors is an integer number (843400338004).

Almost surely, 2^{1686800676007} is an apocalyptic number.

1686800676007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1686800676007 is an equidigital number, since it uses as much as digits as its factorization.

1686800676007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1686800676007 in words is "one trillion, six hundred eighty-six billion, eight hundred million, six hundred seventy-six thousand, seven".