85159983 has 8 divisors (see below), whose sum is σ = 113678208. Its totient is φ = 56707544.

The previous prime is 85159939. The next prime is 85160017. The reversal of 85159983 is 38995158.

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 85159983 - 2¹⁰ = 85158959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85159913) 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, 13341 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (14209776).

Almost surely, 2^85159983 is an apocalyptic number.

85159983 is a deficient number, since it is larger than the sum of its proper divisors (28518225).

85159983 is a wasteful number, since it uses less digits than its factorization.

85159983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32893.

The product of its digits is 388800, while the sum is 48.

The square root of 85159983 is about 9228.2166749595. The cubic root of 85159983 is about 439.9586445291.

The spelling of 85159983 in words is "eighty-five million, one hundred fifty-nine thousand, nine hundred eighty-three".