85065284 has 6 divisors (see below), whose sum is σ = 148864254. Its totient is φ = 42532640.

The previous prime is 85065251. The next prime is 85065301. The reversal of 85065284 is 48256058.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 17825284 = 8200^2 + 4222^2 .

It is a super-2 number, since 2×85065284² = 14472205084001312, which contains 22 as substring.

It is an unprimeable number.

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, 10633157 + ... + 10633164.

It is an arithmetic number, because the mean of its divisors is an integer number (24810709).

Almost surely, 2^85065284 is an apocalyptic number.

It is an amenable number.

85065284 is a deficient number, since it is larger than the sum of its proper divisors (63798970).

85065284 is a wasteful number, since it uses less digits than its factorization.

85065284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21266325 (or 21266323 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 85065284 is about 9223.0842997340. The cubic root of 85065284 is about 439.7955041461.

The spelling of 85065284 in words is "eighty-five million, sixty-five thousand, two hundred eighty-four".