85489267 has 2 divisors, whose sum is σ = 85489268. Its totient is φ = 85489266.

The previous prime is 85489259. The next prime is 85489291. The reversal of 85489267 is 76298458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85489267 - 2³ = 85489259 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 85489267.

It is not a weakly prime, because it can be changed into another prime (85489237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42744633 + 42744634.

It is an arithmetic number, because the mean of its divisors is an integer number (42744634).

Almost surely, 2^85489267 is an apocalyptic number.

85489267 is a deficient number, since it is larger than the sum of its proper divisors (1).

85489267 is an equidigital number, since it uses as much as digits as its factorization.

85489267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 85489267 is about 9246.0406120674. The cubic root of 85489267 is about 440.5249708518.

The spelling of 85489267 in words is "eighty-five million, four hundred eighty-nine thousand, two hundred sixty-seven".