980666089 has 8 divisors (see below), whose sum is σ = 1056965000. Its totient is φ = 904490496.

The previous prime is 980666087. The next prime is 980666107.

980666089 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 980629225 = 192^2 + 31315^2 .

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

It is not a de Polignac number, because 980666089 - 2¹ = 980666087 is a prime.

It is a super-2 number, since 2×980666089² = 1923411956229111842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980666083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13962 + ... + 46435.

It is an arithmetic number, because the mean of its divisors is an integer number (132120625).

Almost surely, 2^980666089 is an apocalyptic number.

It is an amenable number.

980666089 is a deficient number, since it is larger than the sum of its proper divisors (76298911).

980666089 is a wasteful number, since it uses less digits than its factorization.

980666089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61659.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 980666089 is about 31315.5885941810. The cubic root of 980666089 is about 993.5133777089.

The spelling of 980666089 in words is "nine hundred eighty million, six hundred sixty-six thousand, eighty-nine".