8678946209 has 4 divisors (see below), whose sum is σ = 8801184960. Its totient is φ = 8556707460.

The previous prime is 8678946167. The next prime is 8678946239. The reversal of 8678946209 is 9026498768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8678946209 - 2²⁰ = 8677897633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8678946239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61119269 + ... + 61119410.

It is an arithmetic number, because the mean of its divisors is an integer number (2200296240).

Almost surely, 2^8678946209 is an apocalyptic number.

It is an amenable number.

8678946209 is a deficient number, since it is larger than the sum of its proper divisors (122238751).

8678946209 is a wasteful number, since it uses less digits than its factorization.

8678946209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122238750.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The square root of 8678946209 is about 93160.8620022378. The cubic root of 8678946209 is about 2055.0497130820.

The spelling of 8678946209 in words is "eight billion, six hundred seventy-eight million, nine hundred forty-six thousand, two hundred nine".