65695868 has 36 divisors (see below), whose sum is σ = 137367720. Its totient is φ = 27391392.

The previous prime is 65695867. The next prime is 65695897. The reversal of 65695868 is 86859656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65695867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2723 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (3815770).

Almost surely, 2^65695868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65695868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68683860).

65695868 is an abundant number, since it is smaller than the sum of its proper divisors (71671852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65695868 is a wasteful number, since it uses less digits than its factorization.

65695868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114 (or 9105 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The square root of 65695868 is about 8105.2987606874. The cubic root of 65695868 is about 403.5023035093.

The spelling of 65695868 in words is "sixty-five million, six hundred ninety-five thousand, eight hundred sixty-eight".