85212983 has 8 divisors (see below), whose sum is σ = 86048256. Its totient is φ = 84382200.

The previous prime is 85212947. The next prime is 85212989. The reversal of 85212983 is 38921258.

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

It is a cyclic number.

It is not a de Polignac number, because 85212983 - 2¹⁸ = 84950839 is a prime.

It is a super-2 number, since 2×85212983² = 14522504943516578, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85212989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46148 + ... + 47958.

It is an arithmetic number, because the mean of its divisors is an integer number (10756032).

Almost surely, 2^85212983 is an apocalyptic number.

85212983 is a deficient number, since it is larger than the sum of its proper divisors (835273).

85212983 is a wasteful number, since it uses less digits than its factorization.

85212983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245.

The product of its digits is 34560, while the sum is 38.

The square root of 85212983 is about 9231.0878557188. The cubic root of 85212983 is about 440.0498962010.

The spelling of 85212983 in words is "eighty-five million, two hundred twelve thousand, nine hundred eighty-three".