320676436089 has 81 divisors (see below), whose sum is σ = 503265103887. Its totient is φ = 196740304992.

The previous prime is 320676436079. The next prime is 320676436099. The reversal of 320676436089 is 980634676023.

The square root of 320676436089 is 566283.

It is a perfect power (a square), and thus also a powerful number.

320676436089 is a `hidden beast` number, since 3 + 20 + 6 + 7 + 6 + 4 + 3 + 608 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (320676436079) and next prime (320676436099).

It can be written as a sum of positive squares in only one way, i.e., 168154944489 + 152521491600 = 410067^2 + 390540^2 .

It is not a de Polignac number, because 320676436089 - 2⁹ = 320676435577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320676436019) 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 80 ways as a sum of consecutive naturals, for example, 1133132142 + ... + 1133132424.

Almost surely, 2^320676436089 is an apocalyptic number.

320676436089 is the 566283-rd square number.

320676436089 is the 283142-nd centered octagonal number.

It is an amenable number.

320676436089 is a deficient number, since it is larger than the sum of its proper divisors (182588667798).

320676436089 is an equidigital number, since it uses as much as digits as its factorization.

320676436089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 320676436089 in words is "three hundred twenty billion, six hundred seventy-six million, four hundred thirty-six thousand, eighty-nine".