8683728747 has 8 divisors (see below), whose sum is σ = 11585031744. Its totient is φ = 5785789128.

The previous prime is 8683728733. The next prime is 8683728761. The reversal of 8683728747 is 7478273868.

It is a happy number.

8683728747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8683728733) and next prime (8683728761).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8683728747 - 2⁴ = 8683728731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8683728787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834813 + ... + 845150.

It is an arithmetic number, because the mean of its divisors is an integer number (1448128968).

Almost surely, 2^8683728747 is an apocalyptic number.

8683728747 is a deficient number, since it is larger than the sum of its proper divisors (2901302997).

8683728747 is a wasteful number, since it uses less digits than its factorization.

8683728747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681689.

The product of its digits is 25288704, while the sum is 60.

The square root of 8683728747 is about 93186.5266387797. The cubic root of 8683728747 is about 2055.4271225183.

The spelling of 8683728747 in words is "eight billion, six hundred eighty-three million, seven hundred twenty-eight thousand, seven hundred forty-seven".