85906671 has 8 divisors (see below), whose sum is σ = 118492080. Its totient is φ = 55296192.

The previous prime is 85906669. The next prime is 85906703. The reversal of 85906671 is 17660958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85906671 - 2¹ = 85906669 is a prime.

It is a super-2 number, since 2×85906671² = 14759912244604482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85906621) 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, 493630 + ... + 493803.

It is an arithmetic number, because the mean of its divisors is an integer number (14811510).

Almost surely, 2^85906671 is an apocalyptic number.

85906671 is a deficient number, since it is larger than the sum of its proper divisors (32585409).

85906671 is a wasteful number, since it uses less digits than its factorization.

85906671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987465.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 85906671 is about 9268.5851671115. The cubic root of 85906671 is about 441.2407660971.

The spelling of 85906671 in words is "eighty-five million, nine hundred six thousand, six hundred seventy-one".