64608487 has 4 divisors (see below), whose sum is σ = 64943440. Its totient is φ = 64273536.

The previous prime is 64608463. The next prime is 64608539. The reversal of 64608487 is 78480646.

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

It is a cyclic number.

It is not a de Polignac number, because 64608487 - 2⁷ = 64608359 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 (64608437) 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, 167187 + ... + 167572.

It is an arithmetic number, because the mean of its divisors is an integer number (16235860).

Almost surely, 2^64608487 is an apocalyptic number.

64608487 is a deficient number, since it is larger than the sum of its proper divisors (334953).

64608487 is a wasteful number, since it uses less digits than its factorization.

64608487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334952.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 64608487 is about 8037.9404700458. The cubic root of 64608487 is about 401.2636847977.

The spelling of 64608487 in words is "sixty-four million, six hundred eight thousand, four hundred eighty-seven".