85389743 has 8 divisors (see below), whose sum is σ = 90775920. Its totient is φ = 80092800.

The previous prime is 85389737. The next prime is 85389751. The reversal of 85389743 is 34798358.

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 85389743 - 2⁶ = 85389679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85389713) 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, 20330 + ... + 24167.

It is an arithmetic number, because the mean of its divisors is an integer number (11346990).

Almost surely, 2^85389743 is an apocalyptic number.

85389743 is a deficient number, since it is larger than the sum of its proper divisors (5386177).

85389743 is a wasteful number, since it uses less digits than its factorization.

85389743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44617.

The product of its digits is 725760, while the sum is 47.

The square root of 85389743 is about 9240.6570653823. The cubic root of 85389743 is about 440.3539558880.

It can be divided in two parts, 8538 and 9743, that added together give a palindrome (18281).

The spelling of 85389743 in words is "eighty-five million, three hundred eighty-nine thousand, seven hundred forty-three".