73085857943 has 16 divisors (see below), whose sum is σ = 84001743360. Its totient is φ = 62289748896.

The previous prime is 73085857927. The next prime is 73085857963. The reversal of 73085857943 is 34975858037.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73085857943 - 2⁴ = 73085857927 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 (73085857963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830105 + ... + 913917.

It is an arithmetic number, because the mean of its divisors is an integer number (5250108960).

Almost surely, 2^73085857943 is an apocalyptic number.

73085857943 is a deficient number, since it is larger than the sum of its proper divisors (10915885417).

73085857943 is a wasteful number, since it uses less digits than its factorization.

73085857943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84526.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 73085857943 in words is "seventy-three billion, eighty-five million, eight hundred fifty-seven thousand, nine hundred forty-three".