85467391 has 2 divisors, whose sum is σ = 85467392. Its totient is φ = 85467390.

The previous prime is 85467383. The next prime is 85467401. The reversal of 85467391 is 19376458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85467391 - 2³ = 85467383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85467331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42733695 + 42733696.

It is an arithmetic number, because the mean of its divisors is an integer number (42733696).

Almost surely, 2^85467391 is an apocalyptic number.

85467391 is a deficient number, since it is larger than the sum of its proper divisors (1).

85467391 is an equidigital number, since it uses as much as digits as its factorization.

85467391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 85467391 is about 9244.8575435212. The cubic root of 85467391 is about 440.4873920745.

It can be divided in two parts, 85467 and 391, that added together give a palindrome (85858).

The spelling of 85467391 in words is "eighty-five million, four hundred sixty-seven thousand, three hundred ninety-one".