85520446 has 8 divisors (see below), whose sum is σ = 139942584. Its totient is φ = 38872920.

The previous prime is 85520443. The next prime is 85520447. The reversal of 85520446 is 64402558.

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 (85520443) 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 in 3 ways as a sum of consecutive naturals, for example, 1943625 + ... + 1943668.

It is an arithmetic number, because the mean of its divisors is an integer number (17492823).

Almost surely, 2^85520446 is an apocalyptic number.

85520446 is a deficient number, since it is larger than the sum of its proper divisors (54422138).

85520446 is a wasteful number, since it uses less digits than its factorization.

85520446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887306.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 85520446 is about 9247.7265314238. The cubic root of 85520446 is about 440.5785193228.

The spelling of 85520446 in words is "eighty-five million, five hundred twenty thousand, four hundred forty-six".