85577118 has 16 divisors (see below), whose sum is σ = 186713856. Its totient is φ = 25932440.

The previous prime is 85577117. The next prime is 85577123. The reversal of 85577118 is 81177558.

It is a self number, because there is not a number n which added to its sum of digits gives 85577118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85577111) 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, 648246 + ... + 648377.

It is an arithmetic number, because the mean of its divisors is an integer number (11669616).

Almost surely, 2^85577118 is an apocalyptic number.

85577118 is an abundant number, since it is smaller than the sum of its proper divisors (101136738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85577118 is a wasteful number, since it uses less digits than its factorization.

85577118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296639.

The product of its digits is 78400, while the sum is 42.

The square root of 85577118 is about 9250.7901284161. The cubic root of 85577118 is about 440.6758175080.

The spelling of 85577118 in words is "eighty-five million, five hundred seventy-seven thousand, one hundred eighteen".