65065885 has 16 divisors (see below), whose sum is σ = 82861056. Its totient is φ = 48878848.

The previous prime is 65065883. The next prime is 65065909. The reversal of 65065885 is 58856056.

It is a cyclic number.

It is not a de Polignac number, because 65065885 - 2¹ = 65065883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65065883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72912 + ... + 73798.

It is an arithmetic number, because the mean of its divisors is an integer number (5178816).

Almost surely, 2^65065885 is an apocalyptic number.

It is an amenable number.

65065885 is a deficient number, since it is larger than the sum of its proper divisors (17795171).

65065885 is a wasteful number, since it uses less digits than its factorization.

65065885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 65065885 is about 8066.3427276555. The cubic root of 65065885 is about 402.2083789681.

The spelling of 65065885 in words is "sixty-five million, sixty-five thousand, eight hundred eighty-five".