85216582 has 16 divisors (see below), whose sum is σ = 143944704. Its totient is φ = 37485000.

The previous prime is 85216567. The next prime is 85216601. The reversal of 85216582 is 28561258.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 61794 + ... + 63157.

It is an arithmetic number, because the mean of its divisors is an integer number (8996544).

Almost surely, 2^85216582 is an apocalyptic number.

85216582 is a deficient number, since it is larger than the sum of its proper divisors (58728122).

85216582 is a wasteful number, since it uses less digits than its factorization.

85216582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124995.

The product of its digits is 38400, while the sum is 37.

The square root of 85216582 is about 9231.2827927650. The cubic root of 85216582 is about 440.0560913340.

The spelling of 85216582 in words is "eighty-five million, two hundred sixteen thousand, five hundred eighty-two".