64446783804 has 54 divisors (see below), whose sum is σ = 176402431296. Its totient is φ = 19829777760.

The previous prime is 64446783787. The next prime is 64446783859. The reversal of 64446783804 is 40838764446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5290332 + ... + 5302499.

Almost surely, 2^64446783804 is an apocalyptic number.

It is an amenable number.

64446783804 is an abundant number, since it is smaller than the sum of its proper divisors (111955647492).

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

64446783804 is a wasteful number, since it uses less digits than its factorization.

64446783804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592867 (or 10592849 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 64446783804 in words is "sixty-four billion, four hundred forty-six million, seven hundred eighty-three thousand, eight hundred four".