711880321 has 4 divisors (see below), whose sum is σ = 753755652. Its totient is φ = 670004992.

The previous prime is 711880271. The next prime is 711880327. The reversal of 711880321 is 123088117.

It is a happy number.

711880321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 640646721 + 71233600 = 25311^2 + 8440^2 .

It is a cyclic number.

It is not a de Polignac number, because 711880321 - 2¹⁷ = 711749249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711880327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20937640 + ... + 20937673.

It is an arithmetic number, because the mean of its divisors is an integer number (188438913).

Almost surely, 2^711880321 is an apocalyptic number.

It is an amenable number.

711880321 is a deficient number, since it is larger than the sum of its proper divisors (41875331).

711880321 is a wasteful number, since it uses less digits than its factorization.

711880321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41875330.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 711880321 is about 26681.0854539316. The cubic root of 711880321 is about 892.8989848314.

The spelling of 711880321 in words is "seven hundred eleven million, eight hundred eighty thousand, three hundred twenty-one".