85104429 has 4 divisors (see below), whose sum is σ = 113472576. Its totient is φ = 56736284.

The previous prime is 85104427. The next prime is 85104463. The reversal of 85104429 is 92440158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85104429 - 2¹ = 85104427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85104429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85104427) 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 3 ways as a sum of consecutive naturals, for example, 14184069 + ... + 14184074.

It is an arithmetic number, because the mean of its divisors is an integer number (28368144).

Almost surely, 2^85104429 is an apocalyptic number.

It is an amenable number.

85104429 is a deficient number, since it is larger than the sum of its proper divisors (28368147).

85104429 is a wasteful number, since it uses less digits than its factorization.

85104429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28368146.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 85104429 is about 9225.2061765578. The cubic root of 85104429 is about 439.8629549091.

The spelling of 85104429 in words is "eighty-five million, one hundred four thousand, four hundred twenty-nine".