8669378947 has 8 divisors (see below), whose sum is σ = 8906434992. Its totient is φ = 8433542400.

The previous prime is 8669378917. The next prime is 8669378953. The reversal of 8669378947 is 7498739668.

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 8669378947 - 2⁷ = 8669378819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8669378917) 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, 290454 + ... + 318907.

It is an arithmetic number, because the mean of its divisors is an integer number (1113304374).

Almost surely, 2^8669378947 is an apocalyptic number.

8669378947 is a deficient number, since it is larger than the sum of its proper divisors (237056045).

8669378947 is a wasteful number, since it uses less digits than its factorization.

8669378947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609749.

The product of its digits is 109734912, while the sum is 67.

The square root of 8669378947 is about 93109.4997677466. The cubic root of 8669378947 is about 2054.2943053973.

The spelling of 8669378947 in words is "eight billion, six hundred sixty-nine million, three hundred seventy-eight thousand, nine hundred forty-seven".