8998256512 has 320 divisors, whose sum is σ = 23313283200. Its totient is φ = 3442424832.

The previous prime is 8998256483. The next prime is 8998256539. The reversal of 8998256512 is 2156528998.

It is a super-2 number, since 2×8998256512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134302303 + ... + 134302369.

It is an arithmetic number, because the mean of its divisors is an integer number (72854010).

Almost surely, 2^8998256512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8998256512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11656641600).

8998256512 is an abundant number, since it is smaller than the sum of its proper divisors (14315026688).

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

8998256512 is an equidigital number, since it uses as much as digits as its factorization.

8998256512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 118 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 55.

The square root of 8998256512 is about 94859.1403713949. The cubic root of 8998256512 is about 2079.9494958151.

The spelling of 8998256512 in words is "eight billion, nine hundred ninety-eight million, two hundred fifty-six thousand, five hundred twelve".