85675009 has 8 divisors (see below), whose sum is σ = 103067840. Its totient is φ = 69570576.

The previous prime is 85675003. The next prime is 85675033. The reversal of 85675009 is 90057658.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85675009 - 2³ = 85675001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85675001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321954 + ... + 322219.

It is an arithmetic number, because the mean of its divisors is an integer number (12883480).

Almost surely, 2^85675009 is an apocalyptic number.

It is an amenable number.

85675009 is a deficient number, since it is larger than the sum of its proper divisors (17392831).

85675009 is a wasteful number, since it uses less digits than its factorization.

85675009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644199.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 85675009 is about 9256.0795696666. The cubic root of 85675009 is about 440.8437820271.

The spelling of 85675009 in words is "eighty-five million, six hundred seventy-five thousand, nine".