8218312604 has 12 divisors (see below), whose sum is σ = 14383478424. Its totient is φ = 4108747344.

The previous prime is 8218312537. The next prime is 8218312633. The reversal of 8218312604 is 4062138128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54554 + ... + 139329.

It is an arithmetic number, because the mean of its divisors is an integer number (1198623202).

Almost surely, 2^8218312604 is an apocalyptic number.

It is an amenable number.

8218312604 is a deficient number, since it is larger than the sum of its proper divisors (6165165820).

8218312604 is a wasteful number, since it uses less digits than its factorization.

8218312604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204484 (or 204482 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 8218312604 is about 90654.9094313154. The cubic root of 8218312604 is about 2018.0296936640.

The spelling of 8218312604 in words is "eight billion, two hundred eighteen million, three hundred twelve thousand, six hundred four".