830967961 has 2 divisors, whose sum is σ = 830967962. Its totient is φ = 830967960.

The previous prime is 830967947. The next prime is 830967971. The reversal of 830967961 is 169769038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459673600 + 371294361 = 21440^2 + 19269^2 .

It is a cyclic number.

It is not a de Polignac number, because 830967961 - 2¹⁹ = 830443673 is a prime.

It is not a weakly prime, because it can be changed into another prime (830967901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415483980 + 415483981.

It is an arithmetic number, because the mean of its divisors is an integer number (415483981).

Almost surely, 2^830967961 is an apocalyptic number.

It is an amenable number.

830967961 is a deficient number, since it is larger than the sum of its proper divisors (1).

830967961 is an equidigital number, since it uses as much as digits as its factorization.

830967961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 830967961 is about 28826.5148951447. The cubic root of 830967961 is about 940.1448249018.

The spelling of 830967961 in words is "eight hundred thirty million, nine hundred sixty-seven thousand, nine hundred sixty-one".