85219199 has 8 divisors (see below), whose sum is σ = 96605040. Its totient is φ = 74523456.

The previous prime is 85219193. The next prime is 85219229. The reversal of 85219199 is 99191258.

It is a happy number.

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 85219199 - 2¹² = 85215103 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 (85219193) 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, 172262 + ... + 172755.

It is an arithmetic number, because the mean of its divisors is an integer number (12075630).

Almost surely, 2^85219199 is an apocalyptic number.

85219199 is a deficient number, since it is larger than the sum of its proper divisors (11385841).

85219199 is a wasteful number, since it uses less digits than its factorization.

85219199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345049.

The product of its digits is 58320, while the sum is 44.

The square root of 85219199 is about 9231.4245379573. The cubic root of 85219199 is about 440.0605959933.

The spelling of 85219199 in words is "eighty-five million, two hundred nineteen thousand, one hundred ninety-nine".