85065982 has 4 divisors (see below), whose sum is σ = 127598976. Its totient is φ = 42532990.

The previous prime is 85065971. The next prime is 85066013. The reversal of 85065982 is 28956058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28956058 = 2 ⋅14478029.

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 as a sum of consecutive naturals, namely, 21266494 + ... + 21266497.

It is an arithmetic number, because the mean of its divisors is an integer number (31899744).

Almost surely, 2^85065982 is an apocalyptic number.

85065982 is a deficient number, since it is larger than the sum of its proper divisors (42532994).

85065982 is a wasteful number, since it uses less digits than its factorization.

85065982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42532993.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 85065982 is about 9223.1221394927. The cubic root of 85065982 is about 439.7967070513.

The spelling of 85065982 in words is "eighty-five million, sixty-five thousand, nine hundred eighty-two".