32765768776681 has 2 divisors, whose sum is σ = 32765768776682. Its totient is φ = 32765768776680.

The previous prime is 32765768776673. The next prime is 32765768776703. The reversal of 32765768776681 is 18667786756723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27607237639081 + 5158531137600 = 5254259^2 + 2271240^2 .

It is a cyclic number.

It is not a de Polignac number, because 32765768776681 - 2³ = 32765768776673 is a prime.

It is a super-2 number, since 2×32765768776681² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32765768776981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16382884388340 + 16382884388341.

It is an arithmetic number, because the mean of its divisors is an integer number (16382884388341).

Almost surely, 2^{32765768776681} is an apocalyptic number.

It is an amenable number.

32765768776681 is a deficient number, since it is larger than the sum of its proper divisors (1).

32765768776681 is an equidigital number, since it uses as much as digits as its factorization.

32765768776681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5974456320, while the sum is 79.

The spelling of 32765768776681 in words is "thirty-two trillion, seven hundred sixty-five billion, seven hundred sixty-eight million, seven hundred seventy-six thousand, six hundred eighty-one".