32077766321 has 2 divisors, whose sum is σ = 32077766322. Its totient is φ = 32077766320.

The previous prime is 32077766267. The next prime is 32077766351. The reversal of 32077766321 is 12366777023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26764960000 + 5312806321 = 163600^2 + 72889^2 .

It is a cyclic number.

It is not a de Polignac number, because 32077766321 - 2⁶ = 32077766257 is a prime.

It is not a weakly prime, because it can be changed into another prime (32077766351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16038883160 + 16038883161.

It is an arithmetic number, because the mean of its divisors is an integer number (16038883161).

Almost surely, 2^32077766321 is an apocalyptic number.

It is an amenable number.

32077766321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32077766321 is an equidigital number, since it uses as much as digits as its factorization.

32077766321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 32077766321 in words is "thirty-two billion, seventy-seven million, seven hundred sixty-six thousand, three hundred twenty-one".