965711983 has 2 divisors, whose sum is σ = 965711984. Its totient is φ = 965711982.

The previous prime is 965711953. The next prime is 965712019. The reversal of 965711983 is 389117569.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965711983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965711933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482855991 + 482855992.

It is an arithmetic number, because the mean of its divisors is an integer number (482855992).

Almost surely, 2^965711983 is an apocalyptic number.

965711983 is a deficient number, since it is larger than the sum of its proper divisors (1).

965711983 is an equidigital number, since it uses as much as digits as its factorization.

965711983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 49.

The square root of 965711983 is about 31075.9067928838. The cubic root of 965711983 is about 988.4374845065.

The spelling of 965711983 in words is "nine hundred sixty-five million, seven hundred eleven thousand, nine hundred eighty-three".