7671731113 has 4 divisors (see below), whose sum is σ = 7858846548. Its totient is φ = 7484615680.

The previous prime is 7671731077. The next prime is 7671731143. The reversal of 7671731113 is 3111371767.

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 2823115689 + 4848615424 = 53133^2 + 69632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7671731113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7671731143) 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, 93557656 + ... + 93557737.

It is an arithmetic number, because the mean of its divisors is an integer number (1964711637).

Almost surely, 2^7671731113 is an apocalyptic number.

It is an amenable number.

7671731113 is a deficient number, since it is larger than the sum of its proper divisors (187115435).

7671731113 is a wasteful number, since it uses less digits than its factorization.

7671731113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187115434.

The product of its digits is 18522, while the sum is 37.

The square root of 7671731113 is about 87588.4188292037. The cubic root of 7671731113 is about 1972.2613208471.

The spelling of 7671731113 in words is "seven billion, six hundred seventy-one million, seven hundred thirty-one thousand, one hundred thirteen".