85471132 has 12 divisors (see below), whose sum is σ = 150196816. Its totient is φ = 42557760.

The previous prime is 85471129. The next prime is 85471171. The reversal of 85471132 is 23117458.

It is a super-3 number, since 3×85471132³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 85471094 and 85471103.

It is a congruent number.

It is an unprimeable number.

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, 43368 + ... + 45295.

Almost surely, 2^85471132 is an apocalyptic number.

It is an amenable number.

85471132 is a deficient number, since it is larger than the sum of its proper divisors (64725684).

85471132 is a wasteful number, since it uses less digits than its factorization.

85471132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88908 (or 88906 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 85471132 is about 9245.0598700063. The cubic root of 85471132 is about 440.4938188503.

The spelling of 85471132 in words is "eighty-five million, four hundred seventy-one thousand, one hundred thirty-two".