85795549609 has 24 divisors (see below), whose sum is σ = 107840613440. Its totient is φ = 66813737760.

The previous prime is 85795549547. The next prime is 85795549639. The reversal of 85795549609 is 90694559758.

It is not a de Polignac number, because 85795549609 - 2⁹ = 85795549097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85795549639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1429987 + ... + 1488775.

Almost surely, 2^85795549609 is an apocalyptic number.

It is an amenable number.

85795549609 is a deficient number, since it is larger than the sum of its proper divisors (22045063831).

85795549609 is a wasteful number, since it uses less digits than its factorization.

85795549609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60541 (or 60530 counting only the distinct ones).

The product of its (nonzero) digits is 122472000, while the sum is 67.

The spelling of 85795549609 in words is "eighty-five billion, seven hundred ninety-five million, five hundred forty-nine thousand, six hundred nine".