85895149 has 4 divisors (see below), whose sum is σ = 86780764. Its totient is φ = 85009536.

The previous prime is 85895113. The next prime is 85895153. The reversal of 85895149 is 94159858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71318025 + 14577124 = 8445^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 85895149 - 2⁷ = 85895021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85895549) 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 in 3 ways as a sum of consecutive naturals, for example, 442662 + ... + 442855.

It is an arithmetic number, because the mean of its divisors is an integer number (21695191).

Almost surely, 2^85895149 is an apocalyptic number.

It is an amenable number.

85895149 is a deficient number, since it is larger than the sum of its proper divisors (885615).

85895149 is an equidigital number, since it uses as much as digits as its factorization.

85895149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885614.

The product of its digits is 518400, while the sum is 49.

The square root of 85895149 is about 9267.9635843048. The cubic root of 85895149 is about 441.2210384734.

The spelling of 85895149 in words is "eighty-five million, eight hundred ninety-five thousand, one hundred forty-nine".