85742168 has 8 divisors (see below), whose sum is σ = 160766580. Its totient is φ = 42871080.

The previous prime is 85742161. The next prime is 85742177. The reversal of 85742168 is 86124758.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85742161) 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 as a sum of consecutive naturals, namely, 5358878 + ... + 5358893.

Almost surely, 2^85742168 is an apocalyptic number.

It is an amenable number.

85742168 is a deficient number, since it is larger than the sum of its proper divisors (75024412).

85742168 is a wasteful number, since it uses less digits than its factorization.

85742168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10717777 (or 10717773 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 85742168 is about 9259.7066908191. The cubic root of 85742168 is about 440.9589416100.

The spelling of 85742168 in words is "eighty-five million, seven hundred forty-two thousand, one hundred sixty-eight".