85007609 has 4 divisors (see below), whose sum is σ = 88703616. Its totient is φ = 81311604.

The previous prime is 85007569. The next prime is 85007617. The reversal of 85007609 is 90670058.

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 85007609 - 2⁸ = 85007353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85007809) 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, 1847969 + ... + 1848014.

It is an arithmetic number, because the mean of its divisors is an integer number (22175904).

Almost surely, 2^85007609 is an apocalyptic number.

It is an amenable number.

85007609 is a deficient number, since it is larger than the sum of its proper divisors (3696007).

85007609 is a wasteful number, since it uses less digits than its factorization.

85007609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696006.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 85007609 is about 9219.9571040217. The cubic root of 85007609 is about 439.6960866192.

The spelling of 85007609 in words is "eighty-five million, seven thousand, six hundred nine".