64233885 has 32 divisors (see below), whose sum is σ = 104936832. Its totient is φ = 33546240.

The previous prime is 64233821. The next prime is 64233893. The reversal of 64233885 is 58833246.

64233885 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 64233885 - 2⁶ = 64233821 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 190437 + ... + 190773.

It is an arithmetic number, because the mean of its divisors is an integer number (3279276).

Almost surely, 2^64233885 is an apocalyptic number.

It is an amenable number.

64233885 is a deficient number, since it is larger than the sum of its proper divisors (40702947).

64233885 is a wasteful number, since it uses less digits than its factorization.

64233885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its digits is 138240, while the sum is 39.

The square root of 64233885 is about 8014.6044818194. The cubic root of 64233885 is about 400.4866680620.

The spelling of 64233885 in words is "sixty-four million, two hundred thirty-three thousand, eight hundred eighty-five".