85678214 has 4 divisors (see below), whose sum is σ = 128517324. Its totient is φ = 42839106.

The previous prime is 85678213. The next prime is 85678223. The reversal of 85678214 is 41287658.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85678211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21419552 + ... + 21419555.

It is an arithmetic number, because the mean of its divisors is an integer number (32129331).

Almost surely, 2^85678214 is an apocalyptic number.

85678214 is a deficient number, since it is larger than the sum of its proper divisors (42839110).

85678214 is a wasteful number, since it uses less digits than its factorization.

85678214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42839109.

The product of its digits is 107520, while the sum is 41.

The square root of 85678214 is about 9256.2526975013. The cubic root of 85678214 is about 440.8492791054.

The spelling of 85678214 in words is "eighty-five million, six hundred seventy-eight thousand, two hundred fourteen".