85840118 has 16 divisors (see below), whose sum is σ = 158474400. Its totient is φ = 33958656.

The previous prime is 85840109. The next prime is 85840121. The reversal of 85840118 is 81104858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235643 + ... + 236006.

It is an arithmetic number, because the mean of its divisors is an integer number (9904650).

Almost surely, 2^85840118 is an apocalyptic number.

85840118 is a deficient number, since it is larger than the sum of its proper divisors (72634282).

85840118 is a wasteful number, since it uses less digits than its factorization.

85840118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471671.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 85840118 is about 9264.9942255783. The cubic root of 85840118 is about 441.1267916990.

It can be divided in two parts, 85840 and 118, that added together give a palindrome (85958).

The spelling of 85840118 in words is "eighty-five million, eight hundred forty thousand, one hundred eighteen".