65864806 has 16 divisors (see below), whose sum is σ = 114181920. Its totient is φ = 27910080.

The previous prime is 65864803. The next prime is 65864839. The reversal of 65864806 is 60846856.

65864806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65864803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25185 + ... + 27676.

It is an arithmetic number, because the mean of its divisors is an integer number (7136370).

Almost surely, 2^65864806 is an apocalyptic number.

65864806 is a deficient number, since it is larger than the sum of its proper divisors (48317114).

65864806 is a wasteful number, since it uses less digits than its factorization.

65864806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52959.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 65864806 is about 8115.7135237760. The cubic root of 65864806 is about 403.8478783874.

The spelling of 65864806 in words is "sixty-five million, eight hundred sixty-four thousand, eight hundred six".