85543834293 has 8 divisors (see below), whose sum is σ = 126731606400. Its totient is φ = 57029222844.

The previous prime is 85543834283. The next prime is 85543834361. The reversal of 85543834293 is 39243834558.

85543834293 is a `hidden beast` number, since 8 + 5 + 543 + 8 + 3 + 4 + 2 + 93 = 666.

It is not a de Polignac number, because 85543834293 - 2¹⁰ = 85543833269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85543834283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584145053 + ... + 1584145106.

It is an arithmetic number, because the mean of its divisors is an integer number (15841450800).

Almost surely, 2^85543834293 is an apocalyptic number.

It is an amenable number.

85543834293 is a deficient number, since it is larger than the sum of its proper divisors (41187772107).

85543834293 is a wasteful number, since it uses less digits than its factorization.

85543834293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168290168 (or 3168290162 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 85543834293 in words is "eighty-five billion, five hundred forty-three million, eight hundred thirty-four thousand, two hundred ninety-three".