84689707677163 has 2 divisors, whose sum is σ = 84689707677164. Its totient is φ = 84689707677162.

The previous prime is 84689707677041. The next prime is 84689707677199. The reversal of 84689707677163 is 36177670798648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84689707677163 - 2¹⁷ = 84689707546091 is a prime.

It is not a weakly prime, because it can be changed into another prime (84689707674163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42344853838581 + 42344853838582.

It is an arithmetic number, because the mean of its divisors is an integer number (42344853838582).

Almost surely, 2^{84689707677163} is an apocalyptic number.

84689707677163 is a deficient number, since it is larger than the sum of its proper divisors (1).

84689707677163 is an equidigital number, since it uses as much as digits as its factorization.

84689707677163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584673792, while the sum is 79.

The spelling of 84689707677163 in words is "eighty-four trillion, six hundred eighty-nine billion, seven hundred seven million, six hundred seventy-seven thousand, one hundred sixty-three".