8683999947 has 24 divisors (see below), whose sum is σ = 14346679776. Its totient is φ = 4958413056.

The previous prime is 8683999927. The next prime is 8683999949. The reversal of 8683999947 is 7499993868.

8683999947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8683999947 - 2⁸ = 8683999691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8683999949) 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, 28573 + ... + 134849.

It is an arithmetic number, because the mean of its divisors is an integer number (597778324).

Almost surely, 2^8683999947 is an apocalyptic number.

8683999947 is a deficient number, since it is larger than the sum of its proper divisors (5662679829).

8683999947 is a wasteful number, since it uses less digits than its factorization.

8683999947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107587 (or 107584 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 72.

The square root of 8683999947 is about 93187.9817734025. The cubic root of 8683999947 is about 2055.4485198561.

The spelling of 8683999947 in words is "eight billion, six hundred eighty-three million, nine hundred ninety-nine thousand, nine hundred forty-seven".