8555218608 has 40 divisors (see below), whose sum is σ = 22146423808. Its totient is φ = 2845876032.

The previous prime is 8555218603. The next prime is 8555218613. The reversal of 8555218608 is 8068125558.

It is an interprime number because it is at equal distance from previous prime (8555218603) and next prime (8555218613).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8555218603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159616 + ... + 206367.

Almost surely, 2^8555218608 is an apocalyptic number.

It is an amenable number.

8555218608 is an abundant number, since it is smaller than the sum of its proper divisors (13591205200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8555218608 is a wasteful number, since it uses less digits than its factorization.

8555218608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366481 (or 366475 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The square root of 8555218608 is about 92494.4247400891. The cubic root of 8555218608 is about 2045.2372963279.

The spelling of 8555218608 in words is "eight billion, five hundred fifty-five million, two hundred eighteen thousand, six hundred eight".