85519129 has 8 divisors (see below), whose sum is σ = 94487040. Its totient is φ = 76988736.

The previous prime is 85519127. The next prime is 85519141. The reversal of 85519129 is 92191558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85519129 - 2¹ = 85519127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85519091 and 85519100.

It is not an unprimeable number, because it can be changed into a prime (85519123) 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 7 ways as a sum of consecutive naturals, for example, 108969 + ... + 109750.

It is an arithmetic number, because the mean of its divisors is an integer number (11810880).

Almost surely, 2^85519129 is an apocalyptic number.

It is an amenable number.

85519129 is a deficient number, since it is larger than the sum of its proper divisors (8967911).

85519129 is a wasteful number, since it uses less digits than its factorization.

85519129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218759.

The product of its digits is 32400, while the sum is 40.

The square root of 85519129 is about 9247.6553244593. The cubic root of 85519129 is about 440.5762577004.

The spelling of 85519129 in words is "eighty-five million, five hundred nineteen thousand, one hundred twenty-nine".