64288785 has 16 divisors (see below), whose sum is σ = 112213440. Its totient is φ = 31170240.

The previous prime is 64288771. The next prime is 64288793. The reversal of 64288785 is 58788246.

64288785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64288785 - 2⁴ = 64288769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194650 + ... + 194979.

It is an arithmetic number, because the mean of its divisors is an integer number (7013340).

Almost surely, 2^64288785 is an apocalyptic number.

It is an amenable number.

64288785 is a deficient number, since it is larger than the sum of its proper divisors (47924655).

64288785 is a wasteful number, since it uses less digits than its factorization.

64288785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389648.

The product of its digits is 860160, while the sum is 48.

The square root of 64288785 is about 8018.0287477659. The cubic root of 64288785 is about 400.6007327654.

The spelling of 64288785 in words is "sixty-four million, two hundred eighty-eight thousand, seven hundred eighty-five".