980865611 has 8 divisors (see below), whose sum is σ = 1077847344. Its totient is φ = 885185920.

The previous prime is 980865583. The next prime is 980865617. The reversal of 980865611 is 116568089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 980865611 - 2¹⁸ = 980603467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980865617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323930 + ... + 326943.

It is an arithmetic number, because the mean of its divisors is an integer number (134730918).

Almost surely, 2^980865611 is an apocalyptic number.

980865611 is a deficient number, since it is larger than the sum of its proper divisors (96981733).

980865611 is a wasteful number, since it uses less digits than its factorization.

980865611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651021.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 980865611 is about 31318.7740979752. The cubic root of 980865611 is about 993.5807517574.

The spelling of 980865611 in words is "nine hundred eighty million, eight hundred sixty-five thousand, six hundred eleven".