8667838945 has 8 divisors (see below), whose sum is σ = 10409521536. Its totient is φ = 6928861296.

The previous prime is 8667838937. The next prime is 8667838997. The reversal of 8667838945 is 5498387668.

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 8667838945 - 2³ = 8667838937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669177 + ... + 682006.

It is an arithmetic number, because the mean of its divisors is an integer number (1301190192).

Almost surely, 2^8667838945 is an apocalyptic number.

It is an amenable number.

8667838945 is a deficient number, since it is larger than the sum of its proper divisors (1741682591).

8667838945 is a wasteful number, since it uses less digits than its factorization.

8667838945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352471.

The product of its digits is 69672960, while the sum is 64.

The square root of 8667838945 is about 93101.2295568646. The cubic root of 8667838945 is about 2054.1726586718.

The spelling of 8667838945 in words is "eight billion, six hundred sixty-seven million, eight hundred thirty-eight thousand, nine hundred forty-five".