8670318817 has 4 divisors (see below), whose sum is σ = 8904651796. Its totient is φ = 8435985840.

The previous prime is 8670318751. The next prime is 8670318847. The reversal of 8670318817 is 7188130768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7599654976 + 1070663841 = 87176^2 + 32721^2 .

It is a cyclic number.

It is not a de Polignac number, because 8670318817 - 2⁷ = 8670318689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8670318847) 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, 117166434 + ... + 117166507.

It is an arithmetic number, because the mean of its divisors is an integer number (2226162949).

Almost surely, 2^8670318817 is an apocalyptic number.

It is an amenable number.

8670318817 is a deficient number, since it is larger than the sum of its proper divisors (234332979).

8670318817 is a wasteful number, since it uses less digits than its factorization.

8670318817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234332978.

The product of its (nonzero) digits is 451584, while the sum is 49.

The square root of 8670318817 is about 93114.5467529107. The cubic root of 8670318817 is about 2054.3685398506.

The spelling of 8670318817 in words is "eight billion, six hundred seventy million, three hundred eighteen thousand, eight hundred seventeen".