85943749 has 8 divisors (see below), whose sum is σ = 90881280. Its totient is φ = 81141600.

The previous prime is 85943747. The next prime is 85943771. The reversal of 85943749 is 94734958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85943749 - 2¹ = 85943747 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 (85943743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32539 + ... + 35080.

It is an arithmetic number, because the mean of its divisors is an integer number (11360160).

Almost surely, 2^85943749 is an apocalyptic number.

It is an amenable number.

85943749 is a deficient number, since it is larger than the sum of its proper divisors (4937531).

85943749 is a wasteful number, since it uses less digits than its factorization.

85943749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67691.

The product of its digits is 1088640, while the sum is 49.

The square root of 85943749 is about 9270.5851487379. The cubic root of 85943749 is about 441.3042379701.

The spelling of 85943749 in words is "eighty-five million, nine hundred forty-three thousand, seven hundred forty-nine".