439077664 has 24 divisors (see below), whose sum is σ = 869747760. Its totient is φ = 218189376.

The previous prime is 439077607. The next prime is 439077689. The reversal of 439077664 is 466770934.

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, 36874 + ... + 47305.

It is an arithmetic number, because the mean of its divisors is an integer number (36239490).

Almost surely, 2^439077664 is an apocalyptic number.

It is an amenable number.

439077664 is a deficient number, since it is larger than the sum of its proper divisors (430670096).

439077664 is a wasteful number, since it uses less digits than its factorization.

439077664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84352 (or 84344 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 439077664 is about 20954.1801080357. The cubic root of 439077664 is about 760.0586658315.

The spelling of 439077664 in words is "four hundred thirty-nine million, seventy-seven thousand, six hundred sixty-four".