85636814 has 4 divisors (see below), whose sum is σ = 128455224. Its totient is φ = 42818406.

The previous prime is 85636799. The next prime is 85636841. The reversal of 85636814 is 41863658.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21409202 + ... + 21409205.

It is an arithmetic number, because the mean of its divisors is an integer number (32113806).

Almost surely, 2^85636814 is an apocalyptic number.

85636814 is a deficient number, since it is larger than the sum of its proper divisors (42818410).

85636814 is a wasteful number, since it uses less digits than its factorization.

85636814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42818409.

The product of its digits is 138240, while the sum is 41.

The square root of 85636814 is about 9254.0161011314. The cubic root of 85636814 is about 440.7782610494.

The spelling of 85636814 in words is "eighty-five million, six hundred thirty-six thousand, eight hundred fourteen".