853822507 has 2 divisors, whose sum is σ = 853822508. Its totient is φ = 853822506.

The previous prime is 853822483. The next prime is 853822511. The reversal of 853822507 is 705228358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853822507 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853822507.

It is not a weakly prime, because it can be changed into another prime (853822547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426911253 + 426911254.

It is an arithmetic number, because the mean of its divisors is an integer number (426911254).

Almost surely, 2^853822507 is an apocalyptic number.

853822507 is a deficient number, since it is larger than the sum of its proper divisors (1).

853822507 is an equidigital number, since it uses as much as digits as its factorization.

853822507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 853822507 is about 29220.2413918845. The cubic root of 853822507 is about 948.6860901736.

The spelling of 853822507 in words is "eight hundred fifty-three million, eight hundred twenty-two thousand, five hundred seven".