85541886 has 32 divisors (see below), whose sum is σ = 193216800. Its totient is φ = 28045440.

The previous prime is 85541881. The next prime is 85541887. The reversal of 85541886 is 68814558.

85541886 is a `hidden beast` number, since 8 + 554 + 18 + 86 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85541881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9691 + ... + 16278.

It is an arithmetic number, because the mean of its divisors is an integer number (6038025).

Almost surely, 2^85541886 is an apocalyptic number.

85541886 is an abundant number, since it is smaller than the sum of its proper divisors (107674914).

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

85541886 is a wasteful number, since it uses less digits than its factorization.

85541886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26041 (or 26035 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 85541886 is about 9248.8856626082. The cubic root of 85541886 is about 440.6153339663.

It can be divided in two parts, 8554 and 1886, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 85541886 in words is "eighty-five million, five hundred forty-one thousand, eight hundred eighty-six".