999675863 has 2 divisors, whose sum is σ = 999675864. Its totient is φ = 999675862.

The previous prime is 999675827. The next prime is 999675883. The reversal of 999675863 is 368576999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999675863 - 2¹⁰ = 999674839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 999675796 and 999675805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999675883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499837931 + 499837932.

It is an arithmetic number, because the mean of its divisors is an integer number (499837932).

Almost surely, 2^999675863 is an apocalyptic number.

999675863 is a deficient number, since it is larger than the sum of its proper divisors (1).

999675863 is an equidigital number, since it uses as much as digits as its factorization.

999675863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22044960, while the sum is 62.

The square root of 999675863 is about 31617.6511303417. The cubic root of 999675863 is about 999.8919426574.

The spelling of 999675863 in words is "nine hundred ninety-nine million, six hundred seventy-five thousand, eight hundred sixty-three".