85898727543 has 16 divisors (see below), whose sum is σ = 116159450112. Its totient is φ = 56452116000.

The previous prime is 85898727533. The next prime is 85898727557. The reversal of 85898727543 is 34572789858.

It is not a de Polignac number, because 85898727543 - 2¹⁰ = 85898726519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85898727533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062738 + ... + 2103968.

It is an arithmetic number, because the mean of its divisors is an integer number (7259965632).

Almost surely, 2^85898727543 is an apocalyptic number.

85898727543 is a deficient number, since it is larger than the sum of its proper divisors (30260722569).

85898727543 is a wasteful number, since it uses less digits than its factorization.

85898727543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51086.

The product of its digits is 135475200, while the sum is 66.

The spelling of 85898727543 in words is "eighty-five billion, eight hundred ninety-eight million, seven hundred twenty-seven thousand, five hundred forty-three".