85451368 has 8 divisors (see below), whose sum is σ = 160221330. Its totient is φ = 42725680.

The previous prime is 85451357. The next prime is 85451369. The reversal of 85451368 is 86315458.

It can be written as a sum of positive squares in only one way, i.e., 65577604 + 19873764 = 8098^2 + 4458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 85451368.

It is not an unprimeable number, because it can be changed into a prime (85451369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340703 + ... + 5340718.

Almost surely, 2^85451368 is an apocalyptic number.

It is an amenable number.

85451368 is a deficient number, since it is larger than the sum of its proper divisors (74769962).

85451368 is a wasteful number, since it uses less digits than its factorization.

85451368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681427 (or 10681423 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 85451368 is about 9243.9909130202. The cubic root of 85451368 is about 440.4598635613.

The spelling of 85451368 in words is "eighty-five million, four hundred fifty-one thousand, three hundred sixty-eight".