208064895 has 16 divisors (see below), whose sum is σ = 334651392. Its totient is φ = 110385440.

The previous prime is 208064891. The next prime is 208064897. The reversal of 208064895 is 598460802.

It is not a de Polignac number, because 208064895 - 2² = 208064891 is a prime.

It is a super-2 number, since 2×208064895² = 86582001062722050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208064891) by changing a digit.

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, 33447 + ... + 39176.

It is an arithmetic number, because the mean of its divisors is an integer number (20915712).

Almost surely, 2^208064895 is an apocalyptic number.

208064895 is a deficient number, since it is larger than the sum of its proper divisors (126586497).

208064895 is a wasteful number, since it uses less digits than its factorization.

208064895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72822.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 208064895 is about 14424.4547557265. The cubic root of 208064895 is about 592.5608262430.

The spelling of 208064895 in words is "two hundred eight million, sixty-four thousand, eight hundred ninety-five".