679801329 has 15 divisors (see below), whose sum is σ = 1015856347. Its totient is φ = 453044448.

The previous prime is 679801289. The next prime is 679801351. The reversal of 679801329 is 923108976.

The square root of 679801329 is 26073.

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

It can be written as a sum of positive squares in only one way, i.e., 77000625 + 602800704 = 8775^2 + 24552^2 .

It is not a de Polignac number, because 679801329 - 2²⁵ = 646246897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679801379) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 233209 + ... + 236105.

Almost surely, 2^679801329 is an apocalyptic number.

679801329 is the 26073-rd square number.

679801329 is the 13037-th centered octagonal number.

It is an amenable number.

679801329 is a deficient number, since it is larger than the sum of its proper divisors (336055018).

679801329 is an frugal number, since it uses more digits than its factorization.

679801329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The cubic root of 679801329 is about 879.2802866246.

The spelling of 679801329 in words is "six hundred seventy-nine million, eight hundred one thousand, three hundred twenty-nine".