85971422 has 8 divisors (see below), whose sum is σ = 130209456. Its totient is φ = 42568272.

The previous prime is 85971349. The next prime is 85971427. The reversal of 85971422 is 22417958.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85971427) 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 3 ways as a sum of consecutive naturals, for example, 208463 + ... + 208874.

It is an arithmetic number, because the mean of its divisors is an integer number (16276182).

Almost surely, 2^85971422 is an apocalyptic number.

85971422 is a deficient number, since it is larger than the sum of its proper divisors (44238034).

85971422 is a wasteful number, since it uses less digits than its factorization.

85971422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417442.

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

The square root of 85971422 is about 9272.0775449734. The cubic root of 85971422 is about 441.3515980237.

The spelling of 85971422 in words is "eighty-five million, nine hundred seventy-one thousand, four hundred twenty-two".