85216648312 has 16 divisors (see below), whose sum is σ = 159839295840. Its totient is φ = 42592836096.

The previous prime is 85216648301. The next prime is 85216648327. The reversal of 85216648312 is 21384661258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912608 + ... + 1956655.

It is an arithmetic number, because the mean of its divisors is an integer number (9989955990).

Almost surely, 2^85216648312 is an apocalyptic number.

It is an amenable number.

85216648312 is a deficient number, since it is larger than the sum of its proper divisors (74622647528).

85216648312 is a wasteful number, since it uses less digits than its factorization.

85216648312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872022 (or 3872018 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 85216648312 in words is "eighty-five billion, two hundred sixteen million, six hundred forty-eight thousand, three hundred twelve".