853770427 has 2 divisors, whose sum is σ = 853770428. Its totient is φ = 853770426.

The previous prime is 853770403. The next prime is 853770431. The reversal of 853770427 is 724077358.

853770427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853770427 is a prime.

It is not a weakly prime, because it can be changed into another prime (853870427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426885213 + 426885214.

It is an arithmetic number, because the mean of its divisors is an integer number (426885214).

Almost surely, 2^853770427 is an apocalyptic number.

853770427 is a deficient number, since it is larger than the sum of its proper divisors (1).

853770427 is an equidigital number, since it uses as much as digits as its factorization.

853770427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 853770427 is about 29219.3502152255. The cubic root of 853770427 is about 948.6668010061. Note that the first 3 decimals are identical.

The spelling of 853770427 in words is "eight hundred fifty-three million, seven hundred seventy thousand, four hundred twenty-seven".