85443017 has 4 divisors (see below), whose sum is σ = 93210576. Its totient is φ = 77675460.

The previous prime is 85443013. The next prime is 85443067. The reversal of 85443017 is 71034458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85443017 - 2² = 85443013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85443013) 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 in 3 ways as a sum of consecutive naturals, for example, 3883763 + ... + 3883784.

It is an arithmetic number, because the mean of its divisors is an integer number (23302644).

Almost surely, 2^85443017 is an apocalyptic number.

It is an amenable number.

85443017 is a deficient number, since it is larger than the sum of its proper divisors (7767559).

85443017 is a wasteful number, since it uses less digits than its factorization.

85443017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767558.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 85443017 is about 9243.5392031408. The cubic root of 85443017 is about 440.4455146584.

The spelling of 85443017 in words is "eighty-five million, four hundred forty-three thousand, seventeen".