853682663 has 2 divisors, whose sum is σ = 853682664. Its totient is φ = 853682662.

The previous prime is 853682653. The next prime is 853682723. The reversal of 853682663 is 366286358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853682663 - 2¹⁴ = 853666279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853682653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426841331 + 426841332.

It is an arithmetic number, because the mean of its divisors is an integer number (426841332).

Almost surely, 2^853682663 is an apocalyptic number.

853682663 is a deficient number, since it is larger than the sum of its proper divisors (1).

853682663 is an equidigital number, since it uses as much as digits as its factorization.

853682663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The square root of 853682663 is about 29217.8483636287. The cubic root of 853682663 is about 948.6342935765.

The spelling of 853682663 in words is "eight hundred fifty-three million, six hundred eighty-two thousand, six hundred sixty-three".