64328847 has 8 divisors (see below), whose sum is σ = 93569280. Its totient is φ = 38987160.

The previous prime is 64328843. The next prime is 64328863. The reversal of 64328847 is 74882346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64328847 - 2² = 64328843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64328799 and 64328808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64328843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974647 + ... + 974712.

It is an arithmetic number, because the mean of its divisors is an integer number (11696160).

Almost surely, 2^64328847 is an apocalyptic number.

64328847 is a deficient number, since it is larger than the sum of its proper divisors (29240433).

64328847 is a wasteful number, since it uses less digits than its factorization.

64328847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949373.

The product of its digits is 258048, while the sum is 42.

The square root of 64328847 is about 8020.5266036589. The cubic root of 64328847 is about 400.6839278569.

The spelling of 64328847 in words is "sixty-four million, three hundred twenty-eight thousand, eight hundred forty-seven".