85185886 has 8 divisors (see below), whose sum is σ = 128288664. Its totient is φ = 42423000.

The previous prime is 85185883. The next prime is 85185887. The reversal of 85185886 is 68858158.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85185883) 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, 84345 + ... + 85348.

It is an arithmetic number, because the mean of its divisors is an integer number (16036083).

Almost surely, 2^85185886 is an apocalyptic number.

85185886 is a deficient number, since it is larger than the sum of its proper divisors (43102778).

85185886 is a wasteful number, since it uses less digits than its factorization.

85185886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169946.

The product of its digits is 614400, while the sum is 49.

The square root of 85185886 is about 9229.6200355161. The cubic root of 85185886 is about 440.0032472212.

The spelling of 85185886 in words is "eighty-five million, one hundred eighty-five thousand, eight hundred eighty-six".