9716725831 has 4 divisors (see below), whose sum is σ = 9719774064. Its totient is φ = 9713677600.

The previous prime is 9716725817. The next prime is 9716725841. The reversal of 9716725831 is 1385276179.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9716725831 - 2¹⁹ = 9716201543 is a prime.

It is a super-2 number, since 2×9716725831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9716725801) 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, 1519330 + ... + 1525711.

It is an arithmetic number, because the mean of its divisors is an integer number (2429943516).

Almost surely, 2^9716725831 is an apocalyptic number.

9716725831 is a deficient number, since it is larger than the sum of its proper divisors (3048233).

9716725831 is a wasteful number, since it uses less digits than its factorization.

9716725831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048232.

The product of its digits is 635040, while the sum is 49.

The square root of 9716725831 is about 98573.4539873692. The cubic root of 9716725831 is about 2133.8963288325.

The spelling of 9716725831 in words is "nine billion, seven hundred sixteen million, seven hundred twenty-five thousand, eight hundred thirty-one".