8648720439 has 8 divisors (see below), whose sum is σ = 11591377392. Its totient is φ = 5735938560.

The previous prime is 8648720407. The next prime is 8648720461. The reversal of 8648720439 is 9340278468.

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

It is not a de Polignac number, because 8648720439 - 2⁵ = 8648720407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8648720391 and 8648720400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648720939) 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, 7468092 + ... + 7469249.

It is an arithmetic number, because the mean of its divisors is an integer number (1448922174).

Almost surely, 2^8648720439 is an apocalyptic number.

8648720439 is a deficient number, since it is larger than the sum of its proper divisors (2942656953).

8648720439 is a wasteful number, since it uses less digits than its factorization.

8648720439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14937537.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 8648720439 is about 92998.4969717253. The cubic root of 8648720439 is about 2052.6612622569.

The spelling of 8648720439 in words is "eight billion, six hundred forty-eight million, seven hundred twenty thousand, four hundred thirty-nine".