8955963648 has 108 divisors (see below), whose sum is σ = 25972668540. Its totient is φ = 2967932928.

The previous prime is 8955963641. The next prime is 8955963649. The reversal of 8955963648 is 8463695598.

8955963648 is a `hidden beast` number, since 8 + 9 + 5 + 596 + 36 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7539796224 + 1416167424 = 86832^2 + 37632^2 .

It is not an unprimeable number, because it can be changed into a prime (8955963641) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 387358 + ... + 409826.

Almost surely, 2^8955963648 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 8955963648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12986334270).

8955963648 is an abundant number, since it is smaller than the sum of its proper divisors (17016704892).

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

8955963648 is a wasteful number, since it uses less digits than its factorization.

8955963648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22664 (or 22647 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The square root of 8955963648 is about 94635.9532524505. The cubic root of 8955963648 is about 2076.6857079734.

The spelling of 8955963648 in words is "eight billion, nine hundred fifty-five million, nine hundred sixty-three thousand, six hundred forty-eight".