985287706743 has 4 divisors (see below), whose sum is σ = 1313716942328. Its totient is φ = 656858471160.

The previous prime is 985287706693. The next prime is 985287706769. The reversal of 985287706743 is 347607782589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347607782589 = 3 ⋅115869260863.

It is not a de Polignac number, because 985287706743 - 2²⁴ = 985270929527 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 (985287706943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164214617788 + ... + 164214617793.

It is an arithmetic number, because the mean of its divisors is an integer number (328429235582).

Almost surely, 2^985287706743 is an apocalyptic number.

985287706743 is a deficient number, since it is larger than the sum of its proper divisors (328429235585).

985287706743 is a wasteful number, since it uses less digits than its factorization.

985287706743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328429235584.

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 985287706743 in words is "nine hundred eighty-five billion, two hundred eighty-seven million, seven hundred six thousand, seven hundred forty-three".