8894745648 has 160 divisors (see below), whose sum is σ = 25891557120. Its totient is φ = 2923361280.

The previous prime is 8894745637. The next prime is 8894745653. The reversal of 8894745648 is 8465474988.

It is a super-2 number, since 2×8894745648² (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 31 ways as a sum of consecutive naturals, for example, 15577203 + ... + 15577773.

It is an arithmetic number, because the mean of its divisors is an integer number (161822232).

Almost surely, 2^8894745648 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 8894745648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12945778560).

8894745648 is an abundant number, since it is smaller than the sum of its proper divisors (16996811472).

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

8894745648 is a wasteful number, since it uses less digits than its factorization.

8894745648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1020 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The square root of 8894745648 is about 94311.9591992447. The cubic root of 8894745648 is about 2071.9431952247.

The spelling of 8894745648 in words is "eight billion, eight hundred ninety-four million, seven hundred forty-five thousand, six hundred forty-eight".