1678956285179 has 2 divisors, whose sum is σ = 1678956285180. Its totient is φ = 1678956285178.

The previous prime is 1678956285161. The next prime is 1678956285217. The reversal of 1678956285179 is 9715826598761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1678956285179 - 2³² = 1674661317883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1678956285109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839478142589 + 839478142590.

It is an arithmetic number, because the mean of its divisors is an integer number (839478142590).

Almost surely, 2^{1678956285179} is an apocalyptic number.

1678956285179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1678956285179 is an equidigital number, since it uses as much as digits as its factorization.

1678956285179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 457228800, while the sum is 74.

The spelling of 1678956285179 in words is "one trillion, six hundred seventy-eight billion, nine hundred fifty-six million, two hundred eighty-five thousand, one hundred seventy-nine".