85818572 has 12 divisors (see below), whose sum is σ = 171637200. Its totient is φ = 36779376.

The previous prime is 85818559. The next prime is 85818613. The reversal of 85818572 is 27581858.

85818572 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532447 + ... + 1532502.

It is an arithmetic number, because the mean of its divisors is an integer number (14303100).

Almost surely, 2^85818572 is an apocalyptic number.

It is an amenable number.

85818572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85818572 is a wasteful number, since it uses less digits than its factorization.

85818572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064960 (or 3064958 counting only the distinct ones).

The product of its digits is 179200, while the sum is 44.

The square root of 85818572 is about 9263.8313887937. The cubic root of 85818572 is about 441.0898807790.

The spelling of 85818572 in words is "eighty-five million, eight hundred eighteen thousand, five hundred seventy-two".