65985955834276 has 27 divisors (see below), whose sum is σ = 116395477017057. Its totient is φ = 32732167169520.

The previous prime is 65985955834237. The next prime is 65985955834301. The reversal of 65985955834276 is 67243855958956.

The square root of 65985955834276 is 8123174.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3906054187876 + 62079901646400 = 1976374^2 + 7879080^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65985955834276.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2063270206 + ... + 2063302186.

Almost surely, 2^{65985955834276} is an apocalyptic number.

65985955834276 is the 8123174-th square number.

It is an amenable number.

65985955834276 is a deficient number, since it is larger than the sum of its proper divisors (50409521182781).

65985955834276 is an frugal number, since it uses more digits than its factorization.

65985955834276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64220 (or 32110 counting only the distinct ones).

The product of its digits is 19595520000, while the sum is 82.

The spelling of 65985955834276 in words is "sixty-five trillion, nine hundred eighty-five billion, nine hundred fifty-five million, eight hundred thirty-four thousand, two hundred seventy-six".