866966094 has 48 divisors (see below), whose sum is σ = 1971216000. Its totient is φ = 274856208.

The previous prime is 866966083. The next prime is 866966101. The reversal of 866966094 is 490669668.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 866966094.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 68257 + ... + 79955.

It is an arithmetic number, because the mean of its divisors is an integer number (41067000).

Almost surely, 2^866966094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866966094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985608000).

866966094 is an abundant number, since it is smaller than the sum of its proper divisors (1104249906).

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

866966094 is a wasteful number, since it uses less digits than its factorization.

866966094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909 (or 11906 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 866966094 is about 29444.2879689763. The cubic root of 866966094 is about 953.5292892976.

The spelling of 866966094 in words is "eight hundred sixty-six million, nine hundred sixty-six thousand, ninety-four".