85304545012 has 6 divisors (see below), whose sum is σ = 149282953778. Its totient is φ = 42652272504.

The previous prime is 85304544989. The next prime is 85304545013. The reversal of 85304545012 is 21054540358.

It can be written as a sum of positive squares in only one way, i.e., 48362167396 + 36942377616 = 219914^2 + 192204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85304545013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10663068123 + ... + 10663068130.

Almost surely, 2^85304545012 is an apocalyptic number.

It is an amenable number.

85304545012 is a deficient number, since it is larger than the sum of its proper divisors (63978408766).

85304545012 is a wasteful number, since it uses less digits than its factorization.

85304545012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21326136257 (or 21326136255 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 85304545012 in words is "eighty-five billion, three hundred four million, five hundred forty-five thousand, twelve".