85485917 has 16 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 73273200.

The previous prime is 85485913. The next prime is 85485931. The reversal of 85485917 is 71958458.

It is not a de Polignac number, because 85485917 - 2² = 85485913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85485913) 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 15 ways as a sum of consecutive naturals, for example, 15584 + ... + 20342.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^85485917 is an apocalyptic number.

It is an amenable number.

85485917 is a deficient number, since it is larger than the sum of its proper divisors (13217443).

85485917 is a wasteful number, since it uses less digits than its factorization.

85485917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864.

The product of its digits is 403200, while the sum is 47.

The square root of 85485917 is about 9245.8594516681. The cubic root of 85485917 is about 440.5192166093.

The spelling of 85485917 in words is "eighty-five million, four hundred eighty-five thousand, nine hundred seventeen".