64788896 has 24 divisors (see below), whose sum is σ = 129963204. Its totient is φ = 31782400.

The previous prime is 64788881. The next prime is 64788901. The reversal of 64788896 is 69888746.

64788896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64577296 + 211600 = 8036^2 + 460^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17405 + ... + 20796.

Almost surely, 2^64788896 is an apocalyptic number.

It is an amenable number.

64788896 is an abundant number, since it is smaller than the sum of its proper divisors (65174308).

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

64788896 is a wasteful number, since it uses less digits than its factorization.

64788896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38264 (or 38256 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 64788896 is about 8049.1549867051. The cubic root of 64788896 is about 401.6368261971.

The spelling of 64788896 in words is "sixty-four million, seven hundred eighty-eight thousand, eight hundred ninety-six".