8684997994 has 8 divisors (see below), whose sum is σ = 13092962400. Its totient is φ = 4320677196.

The previous prime is 8684997991. The next prime is 8684998001. The reversal of 8684997994 is 4997994868.

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

It is not an unprimeable number, because it can be changed into a prime (8684997991) 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, 10910404 + ... + 10911199.

It is an arithmetic number, because the mean of its divisors is an integer number (1636620300).

Almost surely, 2^8684997994 is an apocalyptic number.

8684997994 is a deficient number, since it is larger than the sum of its proper divisors (4407964406).

8684997994 is a wasteful number, since it uses less digits than its factorization.

8684997994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821804.

The product of its digits is 282175488, while the sum is 73.

The square root of 8684997994 is about 93193.3366394830. The cubic root of 8684997994 is about 2055.5272606690.

The spelling of 8684997994 in words is "eight billion, six hundred eighty-four million, nine hundred ninety-seven thousand, nine hundred ninety-four".