85670383 has 2 divisors, whose sum is σ = 85670384. Its totient is φ = 85670382.

The previous prime is 85670371. The next prime is 85670393. The reversal of 85670383 is 38307658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85670383 - 2¹³ = 85662191 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85670323) 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, 42835191 + 42835192.

It is an arithmetic number, because the mean of its divisors is an integer number (42835192).

Almost surely, 2^85670383 is an apocalyptic number.

85670383 is a deficient number, since it is larger than the sum of its proper divisors (1).

85670383 is an equidigital number, since it uses as much as digits as its factorization.

85670383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 85670383 is about 9255.8296764796. The cubic root of 85670383 is about 440.8358474689.

The spelling of 85670383 in words is "eighty-five million, six hundred seventy thousand, three hundred eighty-three".