980085689 has 16 divisors (see below), whose sum is σ = 1118589696. Its totient is φ = 850742400.

The previous prime is 980085679. The next prime is 980085697. The reversal of 980085689 is 986580089.

It is a cyclic number.

It is not a de Polignac number, because 980085689 - 2⁸ = 980085433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980085689.

It is not an unprimeable number, because it can be changed into a prime (980085619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922 + ... + 44315.

It is an arithmetic number, because the mean of its divisors is an integer number (69911856).

Almost surely, 2^980085689 is an apocalyptic number.

It is an amenable number.

980085689 is a deficient number, since it is larger than the sum of its proper divisors (138504007).

980085689 is a wasteful number, since it uses less digits than its factorization.

980085689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46336.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 980085689 is about 31306.3202724306. The cubic root of 980085689 is about 993.3173378378.

The spelling of 980085689 in words is "nine hundred eighty million, eighty-five thousand, six hundred eighty-nine".