64880385 has 8 divisors (see below), whose sum is σ = 103808640. Its totient is φ = 34602864.

The previous prime is 64880369. The next prime is 64880423. The reversal of 64880385 is 58308846.

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

It is not a de Polignac number, because 64880385 - 2⁴ = 64880369 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 7 ways as a sum of consecutive naturals, for example, 2162665 + ... + 2162694.

It is an arithmetic number, because the mean of its divisors is an integer number (12976080).

Almost surely, 2^64880385 is an apocalyptic number.

It is an amenable number.

64880385 is a deficient number, since it is larger than the sum of its proper divisors (38928255).

64880385 is a wasteful number, since it uses less digits than its factorization.

64880385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325367.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 64880385 is about 8054.8361249624. The cubic root of 64880385 is about 401.8257889735.

The spelling of 64880385 in words is "sixty-four million, eight hundred eighty thousand, three hundred eighty-five".