985170000667 has 2 divisors, whose sum is σ = 985170000668. Its totient is φ = 985170000666.

The previous prime is 985170000637. The next prime is 985170000679. The reversal of 985170000667 is 766000071589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 985170000667 - 2³¹ = 983022517019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985170000667.

It is not a weakly prime, because it can be changed into another prime (985170000637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492585000333 + 492585000334.

It is an arithmetic number, because the mean of its divisors is an integer number (492585000334).

Almost surely, 2^985170000667 is an apocalyptic number.

985170000667 is a deficient number, since it is larger than the sum of its proper divisors (1).

985170000667 is an equidigital number, since it uses as much as digits as its factorization.

985170000667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 985170000667 in words is "nine hundred eighty-five billion, one hundred seventy million, six hundred sixty-seven", and thus it is an aban number.