85387380612 has 24 divisors (see below), whose sum is σ = 199252726176. Its totient is φ = 28460245248.

The previous prime is 85387380577. The next prime is 85387380679. The reversal of 85387380612 is 21608378358.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112333 + ... + 428244.

It is an arithmetic number, because the mean of its divisors is an integer number (8302196924).

Almost surely, 2^85387380612 is an apocalyptic number.

It is an amenable number.

85387380612 is an abundant number, since it is smaller than the sum of its proper divisors (113865345564).

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

85387380612 is a wasteful number, since it uses less digits than its factorization.

85387380612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553747 (or 553745 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 85387380612 in words is "eighty-five billion, three hundred eighty-seven million, three hundred eighty thousand, six hundred twelve".