8796729447 has 24 divisors (see below), whose sum is σ = 13910886288. Its totient is φ = 5312361600.

The previous prime is 8796729379. The next prime is 8796729511. The reversal of 8796729447 is 7449276978.

8796729447 is a `hidden beast` number, since 87 + 96 + 7 + 29 + 447 = 666.

It is not a de Polignac number, because 8796729447 - 2¹⁴ = 8796713063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8796729947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130288 + ... + 185925.

It is an arithmetic number, because the mean of its divisors is an integer number (579620262).

Almost surely, 2^8796729447 is an apocalyptic number.

8796729447 is a deficient number, since it is larger than the sum of its proper divisors (5114156841).

8796729447 is a wasteful number, since it uses less digits than its factorization.

8796729447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316511 (or 316508 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 8796729447 is about 93790.8814704287. The cubic root of 8796729447 is about 2064.3044320366.

The spelling of 8796729447 in words is "eight billion, seven hundred ninety-six million, seven hundred twenty-nine thousand, four hundred forty-seven".