8680823647 has 4 divisors (see below), whose sum is σ = 8692231536. Its totient is φ = 8669415760.

The previous prime is 8680823609. The next prime is 8680823653. The reversal of 8680823647 is 7463280868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8680823647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8680823594 and 8680823603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8680823677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5702803 + ... + 5704324.

It is an arithmetic number, because the mean of its divisors is an integer number (2173057884).

Almost surely, 2^8680823647 is an apocalyptic number.

8680823647 is a deficient number, since it is larger than the sum of its proper divisors (11407889).

8680823647 is a wasteful number, since it uses less digits than its factorization.

8680823647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407888.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The square root of 8680823647 is about 93170.9377810484. The cubic root of 8680823647 is about 2055.1978858424.

The spelling of 8680823647 in words is "eight billion, six hundred eighty million, eight hundred twenty-three thousand, six hundred forty-seven".