85429685 has 32 divisors (see below), whose sum is σ = 114960384. Its totient is φ = 60424000.

The previous prime is 85429661. The next prime is 85429703. The reversal of 85429685 is 58692458.

It is not a de Polignac number, because 85429685 - 2¹⁰ = 85428661 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511472 + ... + 511638.

It is an arithmetic number, because the mean of its divisors is an integer number (3592512).

Almost surely, 2^85429685 is an apocalyptic number.

It is an amenable number.

85429685 is a deficient number, since it is larger than the sum of its proper divisors (29530699).

85429685 is a wasteful number, since it uses less digits than its factorization.

85429685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 691200, while the sum is 47.

The square root of 85429685 is about 9242.8180226595. The cubic root of 85429685 is about 440.4226053353.

The spelling of 85429685 in words is "eighty-five million, four hundred twenty-nine thousand, six hundred eighty-five".