1680080959987 has 2 divisors, whose sum is σ = 1680080959988. Its totient is φ = 1680080959986.

The previous prime is 1680080959951. The next prime is 1680080960017. The reversal of 1680080959987 is 7899590800861.

It is a strong prime.

It is an emirp because it is prime and its reverse (7899590800861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1680080959987 is a prime.

It is a super-2 number, since 2×1680080959987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1680080909987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840040479993 + 840040479994.

It is an arithmetic number, because the mean of its divisors is an integer number (840040479994).

Almost surely, 2^{1680080959987} is an apocalyptic number.

1680080959987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680080959987 is an equidigital number, since it uses as much as digits as its factorization.

1680080959987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 70.

The spelling of 1680080959987 in words is "one trillion, six hundred eighty billion, eighty million, nine hundred fifty-nine thousand, nine hundred eighty-seven".