85750040543 has 2 divisors, whose sum is σ = 85750040544. Its totient is φ = 85750040542.

The previous prime is 85750040539. The next prime is 85750040573. The reversal of 85750040543 is 34504005758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85750040543 - 2² = 85750040539 is a prime.

It is a super-2 number, since 2×85750040543² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85750040543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85750040573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42875020271 + 42875020272.

It is an arithmetic number, because the mean of its divisors is an integer number (42875020272).

Almost surely, 2^85750040543 is an apocalyptic number.

85750040543 is a deficient number, since it is larger than the sum of its proper divisors (1).

85750040543 is an equidigital number, since it uses as much as digits as its factorization.

85750040543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 85750040543 in words is "eighty-five billion, seven hundred fifty million, forty thousand, five hundred forty-three".