64879328 has 24 divisors (see below), whose sum is σ = 128077992. Its totient is φ = 32351616.

The previous prime is 64879313. The next prime is 64879363. The reversal of 64879328 is 82397846.

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 3 ways as a sum of consecutive naturals, for example, 10151 + ... + 15257.

It is an arithmetic number, because the mean of its divisors is an integer number (5336583).

Almost surely, 2^64879328 is an apocalyptic number.

It is an amenable number.

64879328 is a deficient number, since it is larger than the sum of its proper divisors (63198664).

64879328 is a wasteful number, since it uses less digits than its factorization.

64879328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5506 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 64879328 is about 8054.7705119389. The cubic root of 64879328 is about 401.8236068442.

The spelling of 64879328 in words is "sixty-four million, eight hundred seventy-nine thousand, three hundred twenty-eight".