85814471 has 8 divisors (see below), whose sum is σ = 87740400. Its totient is φ = 83907648.

The previous prime is 85814467. The next prime is 85814513. The reversal of 85814471 is 17441858.

It is a happy number.

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 85814471 - 2² = 85814467 is a prime.

It is a super-3 number, since 3×85814471³ (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 (85814411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505 + ... + 13853.

It is an arithmetic number, because the mean of its divisors is an integer number (10967550).

Almost surely, 2^85814471 is an apocalyptic number.

85814471 is a deficient number, since it is larger than the sum of its proper divisors (1925929).

85814471 is a wasteful number, since it uses less digits than its factorization.

85814471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553.

The product of its digits is 35840, while the sum is 38.

The square root of 85814471 is about 9263.6100414471. The cubic root of 85814471 is about 441.0828545671.

The spelling of 85814471 in words is "eighty-five million, eight hundred fourteen thousand, four hundred seventy-one".