85253384 has 8 divisors (see below), whose sum is σ = 159850110. Its totient is φ = 42626688.

The previous prime is 85253381. The next prime is 85253459. The reversal of 85253384 is 48335258.

It can be written as a sum of positive squares in only one way, i.e., 68525284 + 16728100 = 8278^2 + 4090^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85253381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328329 + ... + 5328344.

Almost surely, 2^85253384 is an apocalyptic number.

It is an amenable number.

85253384 is a deficient number, since it is larger than the sum of its proper divisors (74596726).

85253384 is a wasteful number, since it uses less digits than its factorization.

85253384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656679 (or 10656675 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 85253384 is about 9233.2759083654. The cubic root of 85253384 is about 440.1194303897.

The spelling of 85253384 in words is "eighty-five million, two hundred fifty-three thousand, three hundred eighty-four".