999675827 has 2 divisors, whose sum is σ = 999675828. Its totient is φ = 999675826.

The previous prime is 999675779. The next prime is 999675863. The reversal of 999675827 is 728576999.

It is a strong prime.

It is an emirp because it is prime and its reverse (728576999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999675827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999675827.

It is not a weakly prime, because it can be changed into another prime (999675727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499837913 + 499837914.

It is an arithmetic number, because the mean of its divisors is an integer number (499837914).

Almost surely, 2^999675827 is an apocalyptic number.

999675827 is a deficient number, since it is larger than the sum of its proper divisors (1).

999675827 is an equidigital number, since it uses as much as digits as its factorization.

999675827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 62.

The square root of 999675827 is about 31617.6505610395. The cubic root of 999675827 is about 999.8919306548.

The spelling of 999675827 in words is "nine hundred ninety-nine million, six hundred seventy-five thousand, eight hundred twenty-seven".