85745230029 has 6 divisors (see below), whose sum is σ = 123854221166. Its totient is φ = 57163486680.

The previous prime is 85745230027. The next prime is 85745230033. The reversal of 85745230029 is 92003254758.

85745230029 is a `hidden beast` number, since 8 + 574 + 52 + 3 + 0 + 0 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59646827529 + 26098402500 = 244227^2 + 161550^2 .

It is not a de Polignac number, because 85745230029 - 2¹ = 85745230027 is a prime.

It is a super-2 number, since 2×85745230029² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85745230027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4763623882 + ... + 4763623899.

Almost surely, 2^85745230029 is an apocalyptic number.

It is an amenable number.

85745230029 is a deficient number, since it is larger than the sum of its proper divisors (38108991137).

85745230029 is a wasteful number, since it uses less digits than its factorization.

85745230029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527247787 (or 9527247784 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 85745230029 in words is "eighty-five billion, seven hundred forty-five million, two hundred thirty thousand, twenty-nine".