64968585 has 16 divisors (see below), whose sum is σ = 113400000. Its totient is φ = 31499840.

The previous prime is 64968569. The next prime is 64968643. The reversal of 64968585 is 58586946.

It is not a de Polignac number, because 64968585 - 2⁴ = 64968569 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 196710 + ... + 197039.

It is an arithmetic number, because the mean of its divisors is an integer number (7087500).

Almost surely, 2^64968585 is an apocalyptic number.

It is an amenable number.

64968585 is a deficient number, since it is larger than the sum of its proper divisors (48431415).

64968585 is a wasteful number, since it uses less digits than its factorization.

64968585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393768.

The product of its digits is 2073600, while the sum is 51.

The square root of 64968585 is about 8060.3092372439. The cubic root of 64968585 is about 402.0077904978.

The spelling of 64968585 in words is "sixty-four million, nine hundred sixty-eight thousand, five hundred eighty-five".