85200512 has 16 divisors (see below), whose sum is σ = 169735650. Its totient is φ = 42600192.

The previous prime is 85200439. The next prime is 85200517. The reversal of 85200512 is 21500258.

It can be written as a sum of positive squares in only one way, i.e., 85082176 + 118336 = 9224^2 + 344^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (85200517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332687 + ... + 332942.

Almost surely, 2^85200512 is an apocalyptic number.

It is an amenable number.

85200512 is a deficient number, since it is larger than the sum of its proper divisors (84535138).

85200512 is an equidigital number, since it uses as much as digits as its factorization.

85200512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665643 (or 665631 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 85200512 is about 9230.4123418188. The cubic root of 85200512 is about 440.0284279153.

The spelling of 85200512 in words is "eighty-five million, two hundred thousand, five hundred twelve".