65765855856756 has 96 divisors (see below), whose sum is σ = 167846232153600. Its totient is φ = 19876407445120.

The previous prime is 65765855856733. The next prime is 65765855856769.

65765855856756 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897680455 + ... + 897753713.

It is an arithmetic number, because the mean of its divisors is an integer number (1748398251600).

Almost surely, 2^{65765855856756} is an apocalyptic number.

65765855856756 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65765855856756 is an abundant number, since it is smaller than the sum of its proper divisors (102080376296844).

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

65765855856756 is a wasteful number, since it uses less digits than its factorization.

65765855856756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91149 (or 91147 counting only the distinct ones).

The product of its digits is 63504000000, while the sum is 84.

The spelling of 65765855856756 in words is "sixty-five trillion, seven hundred sixty-five billion, eight hundred fifty-five million, eight hundred fifty-six thousand, seven hundred fifty-six".