85865740100573 has 24 divisors (see below), whose sum is σ = 95345079528888. Its totient is φ = 77054155656192.

The previous prime is 85865740100549. The next prime is 85865740100587. The reversal of 85865740100573 is 37500104756858.

It can be written as a sum of positive squares in 4 ways, for example, as 6848254584889 + 79017485515684 = 2616917^2 + 8889178^2 .

It is not a de Polignac number, because 85865740100573 - 2⁶ = 85865740100509 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 (85865740100533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12437690 + ... + 18067307.

It is an arithmetic number, because the mean of its divisors is an integer number (3972711647037).

Almost surely, 2^{85865740100573} is an apocalyptic number.

It is an amenable number.

85865740100573 is a deficient number, since it is larger than the sum of its proper divisors (9479339428315).

85865740100573 is a wasteful number, since it uses less digits than its factorization.

85865740100573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30505373 (or 30505350 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 85865740100573 in words is "eighty-five trillion, eight hundred sixty-five billion, seven hundred forty million, one hundred thousand, five hundred seventy-three".