85086444 has 48 divisors (see below), whose sum is σ = 206667776. Its totient is φ = 27216000.

The previous prime is 85086431. The next prime is 85086451. The reversal of 85086444 is 44468058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46344 + ... + 48144.

Almost surely, 2^85086444 is an apocalyptic number.

It is an amenable number.

85086444 is an abundant number, since it is smaller than the sum of its proper divisors (121581332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85086444 is a wasteful number, since it uses less digits than its factorization.

85086444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 85086444 is about 9224.2313500909. The cubic root of 85086444 is about 439.8319675183.

The spelling of 85086444 in words is "eighty-five million, eighty-six thousand, four hundred forty-four".