853118663 has 2 divisors, whose sum is σ = 853118664. Its totient is φ = 853118662.

The previous prime is 853118627. The next prime is 853118711. The reversal of 853118663 is 366811358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853118663 - 2¹⁸ = 852856519 is a prime.

It is a super-2 number, since 2×853118663² = 1455622906317815138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853118663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853118363) 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, 426559331 + 426559332.

It is an arithmetic number, because the mean of its divisors is an integer number (426559332).

Almost surely, 2^853118663 is an apocalyptic number.

853118663 is a deficient number, since it is larger than the sum of its proper divisors (1).

853118663 is an equidigital number, since it uses as much as digits as its factorization.

853118663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 853118663 is about 29208.1951342427. The cubic root of 853118663 is about 948.4253370818.

The spelling of 853118663 in words is "eight hundred fifty-three million, one hundred eighteen thousand, six hundred sixty-three".