866078344710 has 128 divisors (see below), whose sum is σ = 2373480547200. Its totient is φ = 224568391680.

The previous prime is 866078344667. The next prime is 866078344721. The reversal of 866078344710 is 17443870668.

866078344710 is a `hidden beast` number, since 86 + 60 + 7 + 8 + 34 + 471 + 0 = 666.

It is a super-3 number, since 3×866078344710³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 16046970 + ... + 16100850.

It is an arithmetic number, because the mean of its divisors is an integer number (18542816775).

Almost surely, 2^866078344710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866078344710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186740273600).

866078344710 is an abundant number, since it is smaller than the sum of its proper divisors (1507402202490).

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

866078344710 is a wasteful number, since it uses less digits than its factorization.

866078344710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55543 (or 55537 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 866078344710 in words is "eight hundred sixty-six billion, seventy-eight million, three hundred forty-four thousand, seven hundred ten".