64884063 has 4 divisors (see below), whose sum is σ = 86512088. Its totient is φ = 43256040.

The previous prime is 64884041. The next prime is 64884067. The reversal of 64884063 is 36048846.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64884063 - 2⁶ = 64883999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64884067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10814008 + ... + 10814013.

It is an arithmetic number, because the mean of its divisors is an integer number (21628022).

Almost surely, 2^64884063 is an apocalyptic number.

64884063 is a deficient number, since it is larger than the sum of its proper divisors (21628025).

64884063 is a wasteful number, since it uses less digits than its factorization.

64884063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628024.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 64884063 is about 8055.0644317721. The cubic root of 64884063 is about 401.8333818555.

The spelling of 64884063 in words is "sixty-four million, eight hundred eighty-four thousand, sixty-three".