65795859756 has 108 divisors (see below), whose sum is σ = 184622841312. Its totient is φ = 19740600000.

The previous prime is 65795859737. The next prime is 65795859757.

It is a happy number.

65795859756 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65795859756² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65795859757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 365181 + ... + 514731.

Almost surely, 2^65795859756 is an apocalyptic number.

65795859756 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65795859756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92311420656).

65795859756 is an abundant number, since it is smaller than the sum of its proper divisors (118826981556).

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

65795859756 is a wasteful number, since it uses less digits than its factorization.

65795859756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149684 (or 149668 counting only the distinct ones).

The product of its digits is 714420000, while the sum is 72.

The spelling of 65795859756 in words is "sixty-five billion, seven hundred ninety-five million, eight hundred fifty-nine thousand, seven hundred fifty-six".