868281782 has 8 divisors (see below), whose sum is σ = 1302736656. Its totient is φ = 434036232.

The previous prime is 868281773. The next prime is 868281787. The reversal of 868281782 is 287182868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 868281782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868281787) 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 3 ways as a sum of consecutive naturals, for example, 41513 + ... + 58820.

It is an arithmetic number, because the mean of its divisors is an integer number (162842082).

Almost surely, 2^868281782 is an apocalyptic number.

868281782 is a deficient number, since it is larger than the sum of its proper divisors (434454874).

868281782 is a wasteful number, since it uses less digits than its factorization.

868281782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104662.

The product of its digits is 688128, while the sum is 50.

The square root of 868281782 is about 29466.6214894073. The cubic root of 868281782 is about 954.0113969458.

The spelling of 868281782 in words is "eight hundred sixty-eight million, two hundred eighty-one thousand, seven hundred eighty-two".