287116232256 has 336 divisors, whose sum is σ = 995347442880. Its totient is φ = 80907724800.

The previous prime is 287116232243. The next prime is 287116232279. The reversal of 287116232256 is 652232611782.

287116232256 is a `hidden beast` number, since 2 + 8 + 7 + 11 + 623 + 2 + 2 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6157831 + ... + 6204281.

It is an arithmetic number, because the mean of its divisors is an integer number (2962343580).

Almost surely, 2^287116232256 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 287116232256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497673721440).

287116232256 is an abundant number, since it is smaller than the sum of its proper divisors (708231210624).

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

287116232256 is a wasteful number, since it uses less digits than its factorization.

287116232256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46559 (or 46536 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 287116232256 in words is "two hundred eighty-seven billion, one hundred sixteen million, two hundred thirty-two thousand, two hundred fifty-six".