85229471 has 8 divisors (see below), whose sum is σ = 88238784. Its totient is φ = 82270080.

The previous prime is 85229437. The next prime is 85229479. The reversal of 85229471 is 17492258.

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 85229471 - 2⁶ = 85229407 is a prime.

It is a super-3 number, since 3×85229471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85229479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8990 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (11029848).

Almost surely, 2^85229471 is an apocalyptic number.

85229471 is a deficient number, since it is larger than the sum of its proper divisors (3009313).

85229471 is a wasteful number, since it uses less digits than its factorization.

85229471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24961.

The product of its digits is 40320, while the sum is 38.

The square root of 85229471 is about 9231.9808816960. The cubic root of 85229471 is about 440.0782763630.

The spelling of 85229471 in words is "eighty-five million, two hundred twenty-nine thousand, four hundred seventy-one".