6464678576 has 20 divisors (see below), whose sum is σ = 12559455072. Its totient is φ = 3223528896.

The previous prime is 6464678569. The next prime is 6464678611. The reversal of 6464678576 is 6758764646.

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, 544595 + ... + 556338.

Almost surely, 2^6464678576 is an apocalyptic number.

It is an amenable number.

6464678576 is a deficient number, since it is larger than the sum of its proper divisors (6094776496).

6464678576 is a wasteful number, since it uses less digits than its factorization.

6464678576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101308 (or 1101302 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 59.

The square root of 6464678576 is about 80403.2249104475. The cubic root of 6464678576 is about 1862.8689851411.

The spelling of 6464678576 in words is "six billion, four hundred sixty-four million, six hundred seventy-eight thousand, five hundred seventy-six".