866421028302 has 8 divisors (see below), whose sum is σ = 1732842056616. Its totient is φ = 288807009432.

The previous prime is 866421028283. The next prime is 866421028303. The reversal of 866421028302 is 203820124668.

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

866421028302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866421028303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72201752353 + ... + 72201752364.

It is an arithmetic number, because the mean of its divisors is an integer number (216605257077).

Almost surely, 2^866421028302 is an apocalyptic number.

866421028302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

866421028302 is a wasteful number, since it uses less digits than its factorization.

866421028302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144403504722.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 866421028302 in words is "eight hundred sixty-six billion, four hundred twenty-one million, twenty-eight thousand, three hundred two".