8918010865 has 8 divisors (see below), whose sum is σ = 10706633640. Its totient is φ = 7131061632.

The previous prime is 8918010851. The next prime is 8918010883. The reversal of 8918010865 is 5680108198.

It can be written as a sum of positive squares in 4 ways, for example, as 632824336 + 8285186529 = 25156^2 + 91023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8918010865 - 2⁵ = 8918010833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406630 + ... + 427999.

It is an arithmetic number, because the mean of its divisors is an integer number (1338329205).

Almost surely, 2^8918010865 is an apocalyptic number.

It is an amenable number.

8918010865 is a deficient number, since it is larger than the sum of its proper divisors (1788622775).

8918010865 is a wasteful number, since it uses less digits than its factorization.

8918010865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836771.

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 8918010865 is about 94435.2204688484. The cubic root of 8918010865 is about 2073.7480900491.

The spelling of 8918010865 in words is "eight billion, nine hundred eighteen million, ten thousand, eight hundred sixty-five".