965861863 has 2 divisors, whose sum is σ = 965861864. Its totient is φ = 965861862.

The previous prime is 965861807. The next prime is 965861873. The reversal of 965861863 is 368168569.

It is a strong prime.

It is an emirp because it is prime and its reverse (368168569) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-965861863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 965861863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965861873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482930931 + 482930932.

It is an arithmetic number, because the mean of its divisors is an integer number (482930932).

Almost surely, 2^965861863 is an apocalyptic number.

965861863 is a deficient number, since it is larger than the sum of its proper divisors (1).

965861863 is an equidigital number, since it uses as much as digits as its factorization.

965861863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 965861863 is about 31078.3182138288. The cubic root of 965861863 is about 988.4886175390.

The spelling of 965861863 in words is "nine hundred sixty-five million, eight hundred sixty-one thousand, eight hundred sixty-three".