8998910685 has 48 divisors (see below), whose sum is σ = 16243194240. Its totient is φ = 4603132800.

The previous prime is 8998910681. The next prime is 8998910689. The reversal of 8998910685 is 5860198998.

It is an interprime number because it is at equal distance from previous prime (8998910681) and next prime (8998910689).

It is not a de Polignac number, because 8998910685 - 2² = 8998910681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8998910681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174222 + ... + 219888.

It is an arithmetic number, because the mean of its divisors is an integer number (338399880).

Almost surely, 2^8998910685 is an apocalyptic number.

It is an amenable number.

8998910685 is a deficient number, since it is larger than the sum of its proper divisors (7244283555).

8998910685 is a wasteful number, since it uses less digits than its factorization.

8998910685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45858 (or 45855 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 63.

The square root of 8998910685 is about 94862.5884371705. The cubic root of 8998910685 is about 2079.9998986840. Note that the first 3 decimals are identical.

The spelling of 8998910685 in words is "eight billion, nine hundred ninety-eight million, nine hundred ten thousand, six hundred eighty-five".