85038471 has 96 divisors (see below), whose sum is σ = 164160000. Its totient is φ = 43110144.

The previous prime is 85038467. The next prime is 85038491. The reversal of 85038471 is 17483058.

85038471 is a `hidden beast` number, since 8 + 503 + 84 + 71 = 666.

It is not a de Polignac number, because 85038471 - 2² = 85038467 is a prime.

It is a super-3 number, since 3×85038471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85038431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 427230 + ... + 427428.

It is an arithmetic number, because the mean of its divisors is an integer number (1710000).

Almost surely, 2^85038471 is an apocalyptic number.

85038471 is a deficient number, since it is larger than the sum of its proper divisors (79121529).

85038471 is a wasteful number, since it uses less digits than its factorization.

85038471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 85038471 is about 9221.6306041828. The cubic root of 85038471 is about 439.7492907145.

The spelling of 85038471 in words is "eighty-five million, thirty-eight thousand, four hundred seventy-one".