5664896784 has 80 divisors (see below), whose sum is σ = 16360312000. Its totient is φ = 1876690944.

The previous prime is 5664896777. The next prime is 5664896789. The reversal of 5664896784 is 4876984665.

5664896784 is a `hidden beast` number, since 566 + 4 + 8 + 9 + 67 + 8 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (5664896789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30192 + ... + 110640.

It is an arithmetic number, because the mean of its divisors is an integer number (204503900).

Almost surely, 2^5664896784 is an apocalyptic number.

5664896784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5664896784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8180156000).

5664896784 is an abundant number, since it is smaller than the sum of its proper divisors (10695415216).

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

5664896784 is a wasteful number, since it uses less digits than its factorization.

5664896784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80629 (or 80617 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The square root of 5664896784 is about 75265.5085945747. The cubic root of 5664896784 is about 1782.6414496299.

The spelling of 5664896784 in words is "five billion, six hundred sixty-four million, eight hundred ninety-six thousand, seven hundred eighty-four".