87288213312 has 84 divisors (see below), whose sum is σ = 250530294976. Its totient is φ = 29057184000.

The previous prime is 87288213289. The next prime is 87288213323. The reversal of 87288213312 is 21331288278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331683 + ... + 533469.

Almost surely, 2^87288213312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87288213312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125265147488).

87288213312 is an abundant number, since it is smaller than the sum of its proper divisors (163242081664).

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

87288213312 is a wasteful number, since it uses less digits than its factorization.

87288213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202556 (or 202543 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The spelling of 87288213312 in words is "eighty-seven billion, two hundred eighty-eight million, two hundred thirteen thousand, three hundred twelve".