866473008232104 has 768 divisors, whose sum is σ = 2956634763264000. Its totient is φ = 223132806051840.

The previous prime is 866473008232093. The next prime is 866473008232133. The reversal of 866473008232104 is 401232800374668.

866473008232104 is a `hidden beast` number, since 8 + 6 + 6 + 4 + 7 + 300 + 8 + 2 + 321 + 0 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 310675153942 + ... + 310675156730.

It is an arithmetic number, because the mean of its divisors is an integer number (3849784848000).

Almost surely, 2^{866473008232104} is an apocalyptic number.

866473008232104 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866473008232104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478317381632000).

866473008232104 is an abundant number, since it is smaller than the sum of its proper divisors (2090161755031896).

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

866473008232104 is a wasteful number, since it uses less digits than its factorization.

866473008232104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 866473008232104 in words is "eight hundred sixty-six trillion, four hundred seventy-three billion, eight million, two hundred thirty-two thousand, one hundred four".