966767231 has 2 divisors, whose sum is σ = 966767232. Its totient is φ = 966767230.

The previous prime is 966767201. The next prime is 966767233. The reversal of 966767231 is 132767669.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966767231 is a prime.

It is a super-2 number, since 2×966767231² = 1869277757870814722, which contains 22 as substring.

Together with 966767233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (966767233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483383615 + 483383616.

It is an arithmetic number, because the mean of its divisors is an integer number (483383616).

Almost surely, 2^966767231 is an apocalyptic number.

966767231 is a deficient number, since it is larger than the sum of its proper divisors (1).

966767231 is an equidigital number, since it uses as much as digits as its factorization.

966767231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 966767231 is about 31092.8807124718. The cubic root of 966767231 is about 988.7973802828.

The spelling of 966767231 in words is "nine hundred sixty-six million, seven hundred sixty-seven thousand, two hundred thirty-one".