85842518 has 8 divisors (see below), whose sum is σ = 128805600. Its totient is φ = 42907320.

The previous prime is 85842511. The next prime is 85842529. The reversal of 85842518 is 81524858.

It is a happy number.

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 (85842511) 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, 4508 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (16100700).

Almost surely, 2^85842518 is an apocalyptic number.

85842518 is a deficient number, since it is larger than the sum of its proper divisors (42963082).

85842518 is a wasteful number, since it uses less digits than its factorization.

85842518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942.

The product of its digits is 102400, while the sum is 41.

The square root of 85842518 is about 9265.1237444516. The cubic root of 85842518 is about 441.1309028087.

The spelling of 85842518 in words is "eighty-five million, eight hundred forty-two thousand, five hundred eighteen".