85851475 has 6 divisors (see below), whose sum is σ = 106455860. Its totient is φ = 68681160.

The previous prime is 85851473. The next prime is 85851487. The reversal of 85851475 is 57415858.

It is not a de Polignac number, because 85851475 - 2¹ = 85851473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85851473) 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 5 ways as a sum of consecutive naturals, for example, 1717005 + ... + 1717054.

Almost surely, 2^85851475 is an apocalyptic number.

85851475 is a deficient number, since it is larger than the sum of its proper divisors (20604385).

85851475 is a wasteful number, since it uses less digits than its factorization.

85851475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434069 (or 3434064 counting only the distinct ones).

The product of its digits is 224000, while the sum is 43.

The square root of 85851475 is about 9265.6071036927. The cubic root of 85851475 is about 441.1462451362.

The spelling of 85851475 in words is "eighty-five million, eight hundred fifty-one thousand, four hundred seventy-five".