85342427 has 2 divisors, whose sum is σ = 85342428. Its totient is φ = 85342426.

The previous prime is 85342391. The next prime is 85342441. The reversal of 85342427 is 72424358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85342427 - 2⁸ = 85342171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85342727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42671213 + 42671214.

It is an arithmetic number, because the mean of its divisors is an integer number (42671214).

Almost surely, 2^85342427 is an apocalyptic number.

85342427 is a deficient number, since it is larger than the sum of its proper divisors (1).

85342427 is an equidigital number, since it uses as much as digits as its factorization.

85342427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 85342427 is about 9238.0965030682. The cubic root of 85342427 is about 440.2726048314.

It can be divided in two parts, 8 and 5342427, that added together give a palindrome (5342435).

The spelling of 85342427 in words is "eighty-five million, three hundred forty-two thousand, four hundred twenty-seven".