85840718 has 16 divisors (see below), whose sum is σ = 136663200. Its totient is φ = 40298496.

The previous prime is 85840717. The next prime is 85840721. The reversal of 85840718 is 81704858.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12455 + ... + 18077.

It is an arithmetic number, because the mean of its divisors is an integer number (8541450).

Almost surely, 2^85840718 is an apocalyptic number.

85840718 is a deficient number, since it is larger than the sum of its proper divisors (50822482).

85840718 is a wasteful number, since it uses less digits than its factorization.

85840718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 85840718 is about 9265.0266054664. The cubic root of 85840718 is about 441.1278194836.

The spelling of 85840718 in words is "eighty-five million, eight hundred forty thousand, seven hundred eighteen".