8678394847 has 8 divisors (see below), whose sum is σ = 9057802320. Its totient is φ = 8306975040.

The previous prime is 8678394839. The next prime is 8678394869. The reversal of 8678394847 is 7484938768.

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

It is a cyclic number.

It is not a de Polignac number, because 8678394847 - 2³ = 8678394839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8678394877) 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, 1994697 + ... + 1999042.

It is an arithmetic number, because the mean of its divisors is an integer number (1132225290).

Almost surely, 2^8678394847 is an apocalyptic number.

8678394847 is a deficient number, since it is larger than the sum of its proper divisors (379407473).

8678394847 is a wasteful number, since it uses less digits than its factorization.

8678394847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993833.

The product of its digits is 65028096, while the sum is 64.

The square root of 8678394847 is about 93157.9027619235. The cubic root of 8678394847 is about 2055.0061939616.

The spelling of 8678394847 in words is "eight billion, six hundred seventy-eight million, three hundred ninety-four thousand, eight hundred forty-seven".