85944199 has 4 divisors (see below), whose sum is σ = 93757320. Its totient is φ = 78131080.

The previous prime is 85944167. The next prime is 85944223. The reversal of 85944199 is 99144958.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85944199 - 2⁵ = 85944167 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 (85944109) 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, 3906544 + ... + 3906565.

It is an arithmetic number, because the mean of its divisors is an integer number (23439330).

Almost surely, 2^85944199 is an apocalyptic number.

85944199 is a deficient number, since it is larger than the sum of its proper divisors (7813121).

85944199 is a wasteful number, since it uses less digits than its factorization.

85944199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813120.

The product of its digits is 466560, while the sum is 49.

The square root of 85944199 is about 9270.6094190188. The cubic root of 85944199 is about 441.3050081892.

The spelling of 85944199 in words is "eighty-five million, nine hundred forty-four thousand, one hundred ninety-nine".