85259966 has 8 divisors (see below), whose sum is σ = 139516344. Its totient is φ = 38754520.

The previous prime is 85259963. The next prime is 85260017. The reversal of 85259966 is 66995258.

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

It is a super-3 number, since 3×85259966³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85259963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937705 + ... + 1937748.

It is an arithmetic number, because the mean of its divisors is an integer number (17439543).

Almost surely, 2^85259966 is an apocalyptic number.

85259966 is a deficient number, since it is larger than the sum of its proper divisors (54256378).

85259966 is a wasteful number, since it uses less digits than its factorization.

85259966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875466.

The product of its digits is 1166400, while the sum is 50.

The square root of 85259966 is about 9233.6323296956. The cubic root of 85259966 is about 440.1307565932.

The spelling of 85259966 in words is "eighty-five million, two hundred fifty-nine thousand, nine hundred sixty-six".