65765085 has 16 divisors (see below), whose sum is σ = 105836544. Its totient is φ = 34870592.

The previous prime is 65765081. The next prime is 65765087. The reversal of 65765085 is 58056756.

It is a cyclic number.

It is not a de Polignac number, because 65765085 - 2² = 65765081 is a prime.

It is a super-3 number, since 3×65765085³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65765081) 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, 10077 + ... + 15266.

It is an arithmetic number, because the mean of its divisors is an integer number (6614784).

Almost surely, 2^65765085 is an apocalyptic number.

It is an amenable number.

65765085 is a deficient number, since it is larger than the sum of its proper divisors (40071459).

65765085 is a wasteful number, since it uses less digits than its factorization.

65765085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25524.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 65765085 is about 8109.5674977153. The cubic root of 65765085 is about 403.6439634381.

The spelling of 65765085 in words is "sixty-five million, seven hundred sixty-five thousand, eighty-five".