8918854789 has 16 divisors (see below), whose sum is σ = 10309248432. Its totient is φ = 7642349568.

The previous prime is 8918854759. The next prime is 8918854811. The reversal of 8918854789 is 9874588198.

It can be written as a sum of positive squares in 8 ways, for example, as 999634689 + 7919220100 = 31617^2 + 88990^2 .

It is a cyclic number.

It is not a de Polignac number, because 8918854789 - 2⁵ = 8918854757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8918854759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260284 + ... + 292549.

It is an arithmetic number, because the mean of its divisors is an integer number (644328027).

Almost surely, 2^8918854789 is an apocalyptic number.

It is an amenable number.

8918854789 is a deficient number, since it is larger than the sum of its proper divisors (1390393643).

8918854789 is a wasteful number, since it uses less digits than its factorization.

8918854789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552936.

The product of its digits is 46448640, while the sum is 67.

The square root of 8918854789 is about 94439.6886324812. The cubic root of 8918854789 is about 2073.8135018922.

The spelling of 8918854789 in words is "eight billion, nine hundred eighteen million, eight hundred fifty-four thousand, seven hundred eighty-nine".