85609814 has 8 divisors (see below), whose sum is σ = 128482200. Its totient is φ = 42782416.

The previous prime is 85609813. The next prime is 85609819. The reversal of 85609814 is 41890658.

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

It is a super-2 number, since 2×85609814² = 14658080506229192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85609813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5999 + ... + 14394.

It is an arithmetic number, because the mean of its divisors is an integer number (16060275).

Almost surely, 2^85609814 is an apocalyptic number.

85609814 is a deficient number, since it is larger than the sum of its proper divisors (42872386).

85609814 is a wasteful number, since it uses less digits than its factorization.

85609814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22494.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 85609814 is about 9252.5571600504. The cubic root of 85609814 is about 440.7319325938.

The spelling of 85609814 in words is "eighty-five million, six hundred nine thousand, eight hundred fourteen".