85220093 has 8 divisors (see below), whose sum is σ = 98766720. Its totient is φ = 72016560.

The previous prime is 85220087. The next prime is 85220101. The reversal of 85220093 is 39002258.

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

It is not a de Polignac number, because 85220093 - 2¹⁴ = 85203709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85220293) 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, 85238 + ... + 86231.

It is an arithmetic number, because the mean of its divisors is an integer number (12345840).

Almost surely, 2^85220093 is an apocalyptic number.

It is an amenable number.

85220093 is a deficient number, since it is larger than the sum of its proper divisors (13546627).

85220093 is a wasteful number, since it uses less digits than its factorization.

85220093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171547.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 85220093 is about 9231.4729593928. The cubic root of 85220093 is about 440.0621348202.

The spelling of 85220093 in words is "eighty-five million, two hundred twenty thousand, ninety-three".