8608921896 has 64 divisors (see below), whose sum is σ = 22490755200. Its totient is φ = 2740877568.

The previous prime is 8608921889. The next prime is 8608921903. The reversal of 8608921896 is 6981298068.

It is an interprime number because it is at equal distance from previous prime (8608921889) and next prime (8608921903).

It is a super-2 number, since 2×8608921896² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380370 + ... + 402366.

It is an arithmetic number, because the mean of its divisors is an integer number (351418050).

Almost surely, 2^8608921896 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 8608921896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11245377600).

8608921896 is an abundant number, since it is smaller than the sum of its proper divisors (13881833304).

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

8608921896 is a wasteful number, since it uses less digits than its factorization.

8608921896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22738 (or 22734 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 57.

The square root of 8608921896 is about 92784.2761247831. The cubic root of 8608921896 is about 2049.5078648906.

The spelling of 8608921896 in words is "eight billion, six hundred eight million, nine hundred twenty-one thousand, eight hundred ninety-six".