85284971 has 8 divisors (see below), whose sum is σ = 90382464. Its totient is φ = 80196480.

The previous prime is 85284967. The next prime is 85284973. The reversal of 85284971 is 17948258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85284971 - 2² = 85284967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85284973) 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 7 ways as a sum of consecutive naturals, for example, 35261 + ... + 37601.

It is an arithmetic number, because the mean of its divisors is an integer number (11297808).

Almost surely, 2^85284971 is an apocalyptic number.

85284971 is a deficient number, since it is larger than the sum of its proper divisors (5097493).

85284971 is a wasteful number, since it uses less digits than its factorization.

85284971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its digits is 161280, while the sum is 44.

The square root of 85284971 is about 9234.9862479594. The cubic root of 85284971 is about 440.1737794967.

The spelling of 85284971 in words is "eighty-five million, two hundred eighty-four thousand, nine hundred seventy-one".