8729879347 has 6 divisors (see below), whose sum is σ = 10155165828. Its totient is φ = 7482753684.

The previous prime is 8729879329. The next prime is 8729879351. The reversal of 8729879347 is 7439789278.

It is a de Polignac number, because none of the positive numbers 2^k-8729879347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8729879317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89080353 + ... + 89080450.

It is an arithmetic number, because the mean of its divisors is an integer number (1692527638).

Almost surely, 2^8729879347 is an apocalyptic number.

8729879347 is a deficient number, since it is larger than the sum of its proper divisors (1425286481).

8729879347 is a wasteful number, since it uses less digits than its factorization.

8729879347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178160817 (or 178160810 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 64.

The square root of 8729879347 is about 93433.8233564270. The cubic root of 8729879347 is about 2059.0619528893.

The spelling of 8729879347 in words is "eight billion, seven hundred twenty-nine million, eight hundred seventy-nine thousand, three hundred forty-seven".