8618607856 has 10 divisors (see below), whose sum is σ = 16698552752. Its totient is φ = 4309303920.

The previous prime is 8618607797. The next prime is 8618607857. The reversal of 8618607856 is 6587068168.

It is a junction number, because it is equal to n+sod(n) for n = 8618607797 and 8618607806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8618607857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269331480 + ... + 269331511.

Almost surely, 2^8618607856 is an apocalyptic number.

It is an amenable number.

8618607856 is a deficient number, since it is larger than the sum of its proper divisors (8079944896).

8618607856 is a wasteful number, since it uses less digits than its factorization.

8618607856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538662999 (or 538662993 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 8618607856 is about 92836.4575799831. The cubic root of 8618607856 is about 2050.2762154880.

The spelling of 8618607856 in words is "eight billion, six hundred eighteen million, six hundred seven thousand, eight hundred fifty-six".