966547768997 has 2 divisors, whose sum is σ = 966547768998. Its totient is φ = 966547768996.

The previous prime is 966547768993. The next prime is 966547769087. The reversal of 966547768997 is 799867745669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769455278596 + 197092490401 = 877186^2 + 443951^2 .

It is a cyclic number.

It is not a de Polignac number, because 966547768997 - 2² = 966547768993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966547768993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483273884498 + 483273884499.

It is an arithmetic number, because the mean of its divisors is an integer number (483273884499).

Almost surely, 2^966547768997 is an apocalyptic number.

It is an amenable number.

966547768997 is a deficient number, since it is larger than the sum of its proper divisors (1).

966547768997 is an equidigital number, since it uses as much as digits as its factorization.

966547768997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8641624320, while the sum is 83.

The spelling of 966547768997 in words is "nine hundred sixty-six billion, five hundred forty-seven million, seven hundred sixty-eight thousand, nine hundred ninety-seven".