85738543 has 6 divisors (see below), whose sum is σ = 94241672. Its totient is φ = 77944020.

The previous prime is 85738519. The next prime is 85738547. The reversal of 85738543 is 34583758.

It is not a de Polignac number, because 85738543 - 2⁹ = 85738031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85738543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85738547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354171 + ... + 354412.

Almost surely, 2^85738543 is an apocalyptic number.

85738543 is a deficient number, since it is larger than the sum of its proper divisors (8503129).

85738543 is a wasteful number, since it uses less digits than its factorization.

85738543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708605 (or 708594 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 85738543 is about 9259.5109482089. The cubic root of 85738543 is about 440.9527272477.

The spelling of 85738543 in words is "eighty-five million, seven hundred thirty-eight thousand, five hundred forty-three".