85919029 has 16 divisors (see below), whose sum is σ = 100062208. Its totient is φ = 72254592.

The previous prime is 85919021. The next prime is 85919033. The reversal of 85919029 is 92091958.

It is a cyclic number.

It is not a de Polignac number, because 85919029 - 2³ = 85919021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85919021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141244 + ... + 141850.

It is an arithmetic number, because the mean of its divisors is an integer number (6253888).

Almost surely, 2^85919029 is an apocalyptic number.

It is an amenable number.

85919029 is a deficient number, since it is larger than the sum of its proper divisors (14143179).

85919029 is a wasteful number, since it uses less digits than its factorization.

85919029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 85919029 is about 9269.2518036787. The cubic root of 85919029 is about 441.2619231344.

The spelling of 85919029 in words is "eighty-five million, nine hundred nineteen thousand, twenty-nine".