85473886 has 4 divisors (see below), whose sum is σ = 128210832. Its totient is φ = 42736942.

The previous prime is 85473881. The next prime is 85473907. The reversal of 85473886 is 68837458.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85473881) by changing a digit.

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 as a sum of consecutive naturals, namely, 21368470 + ... + 21368473.

It is an arithmetic number, because the mean of its divisors is an integer number (32052708).

Almost surely, 2^85473886 is an apocalyptic number.

85473886 is a deficient number, since it is larger than the sum of its proper divisors (42736946).

85473886 is a wasteful number, since it uses less digits than its factorization.

85473886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42736945.

The product of its digits is 1290240, while the sum is 49.

The square root of 85473886 is about 9245.2088132178. The cubic root of 85473886 is about 440.4985499095.

The spelling of 85473886 in words is "eighty-five million, four hundred seventy-three thousand, eight hundred eighty-six".