85710429 has 24 divisors (see below), whose sum is σ = 143816192. Its totient is φ = 48172320.

The previous prime is 85710371. The next prime is 85710431. The reversal of 85710429 is 92401758.

It is not a de Polignac number, because 85710429 - 2⁹ = 85709917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85710393 and 85710402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85710479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7309 + ... + 14994.

Almost surely, 2^85710429 is an apocalyptic number.

It is an amenable number.

85710429 is a deficient number, since it is larger than the sum of its proper divisors (58105763).

85710429 is a wasteful number, since it uses less digits than its factorization.

85710429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22377 (or 22374 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 85710429 is about 9257.9927090056. The cubic root of 85710429 is about 440.9045252770.

The spelling of 85710429 in words is "eighty-five million, seven hundred ten thousand, four hundred twenty-nine".