87648851286 has 12 divisors (see below), whose sum is σ = 189905844492. Its totient is φ = 29216283756.

The previous prime is 87648851281. The next prime is 87648851293. The reversal of 87648851286 is 68215884678.

87648851286 is a `hidden beast` number, since 8 + 76 + 48 + 8 + 512 + 8 + 6 = 666.

It is a super-2 number, since 2×87648851286² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87648851281) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2434690296 + ... + 2434690331.

It is an arithmetic number, because the mean of its divisors is an integer number (15825487041).

Almost surely, 2^87648851286 is an apocalyptic number.

87648851286 is an abundant number, since it is smaller than the sum of its proper divisors (102256993206).

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

87648851286 is a wasteful number, since it uses less digits than its factorization.

87648851286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869380635 (or 4869380632 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 63.

The spelling of 87648851286 in words is "eighty-seven billion, six hundred forty-eight million, eight hundred fifty-one thousand, two hundred eighty-six".