85795409 has 4 divisors (see below), whose sum is σ = 98051904. Its totient is φ = 73538916.

The previous prime is 85795399. The next prime is 85795417. The reversal of 85795409 is 90459758.

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 85795409 - 2¹² = 85791313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85795609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128237 + ... + 6128250.

It is an arithmetic number, because the mean of its divisors is an integer number (24512976).

Almost surely, 2^85795409 is an apocalyptic number.

It is an amenable number.

85795409 is a deficient number, since it is larger than the sum of its proper divisors (12256495).

85795409 is a wasteful number, since it uses less digits than its factorization.

85795409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256494.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 85795409 is about 9262.5811197527. The cubic root of 85795409 is about 441.0501928497.

The spelling of 85795409 in words is "eighty-five million, seven hundred ninety-five thousand, four hundred nine".