85651395128 has 16 divisors (see below), whose sum is σ = 172949932680. Its totient is φ = 39531413088.

The previous prime is 85651395083. The next prime is 85651395131. The reversal of 85651395128 is 82159315658.

It is a super-3 number, since 3×85651395128³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 85651395128.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 411785450 + ... + 411785657.

Almost surely, 2^85651395128 is an apocalyptic number.

It is an amenable number.

85651395128 is an abundant number, since it is smaller than the sum of its proper divisors (87298537552).

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

85651395128 is a wasteful number, since it uses less digits than its factorization.

85651395128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823571126 (or 823571122 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 53.

The spelling of 85651395128 in words is "eighty-five billion, six hundred fifty-one million, three hundred ninety-five thousand, one hundred twenty-eight".