713128881 has 16 divisors (see below), whose sum is σ = 1005055040. Its totient is φ = 448519680.

The previous prime is 713128859. The next prime is 713128907. The reversal of 713128881 is 188821317.

713128881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 713128881 - 2⁶ = 713128817 is a prime.

It is a super-2 number, since 2×713128881² = 1017105601832624322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713128081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12220 + ... + 39693.

It is an arithmetic number, because the mean of its divisors is an integer number (62815940).

Almost surely, 2^713128881 is an apocalyptic number.

It is an amenable number.

713128881 is a deficient number, since it is larger than the sum of its proper divisors (291926159).

713128881 is a wasteful number, since it uses less digits than its factorization.

713128881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52176.

The product of its digits is 21504, while the sum is 39.

The square root of 713128881 is about 26704.4730522810. The cubic root of 713128881 is about 893.4206955694.

The spelling of 713128881 in words is "seven hundred thirteen million, one hundred twenty-eight thousand, eight hundred eighty-one".