8684067385 has 24 divisors (see below), whose sum is σ = 12126700296. Its totient is φ = 5952602880.

The previous prime is 8684067323. The next prime is 8684067407. The reversal of 8684067385 is 5837604868.

It can be written as a sum of positive squares in 4 ways, for example, as 2357296704 + 6326770681 = 48552^2 + 79541^2 .

It is not a de Polignac number, because 8684067385 - 2²⁵ = 8650512953 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946279 + ... + 955411.

It is an arithmetic number, because the mean of its divisors is an integer number (505279179).

Almost surely, 2^8684067385 is an apocalyptic number.

It is an amenable number.

8684067385 is a deficient number, since it is larger than the sum of its proper divisors (3442632911).

8684067385 is a wasteful number, since it uses less digits than its factorization.

8684067385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033 (or 13026 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The square root of 8684067385 is about 93188.3436112049. The cubic root of 8684067385 is about 2055.4538405601.

The spelling of 8684067385 in words is "eight billion, six hundred eighty-four million, sixty-seven thousand, three hundred eighty-five".