8366278229280 has 1536 divisors, whose sum is σ = 33777451008000. Its totient is φ = 1922520821760.

The previous prime is 8366278229273. The next prime is 8366278229317. The reversal of 8366278229280 is 829228726638.

8366278229280 is a `hidden beast` number, since 8 + 3 + 6 + 62 + 78 + 229 + 280 = 666.

It is a super-2 number, since 2×8366278229280² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3452858149 + ... + 3452860571.

It is an arithmetic number, because the mean of its divisors is an integer number (21990528000).

Almost surely, 2^{8366278229280} is an apocalyptic number.

8366278229280 is a gapful number since it is divisible by the number (80) 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 8366278229280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16888725504000).

8366278229280 is an abundant number, since it is smaller than the sum of its proper divisors (25411172778720).

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

8366278229280 is a wasteful number, since it uses less digits than its factorization.

8366278229280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 8366278229280 in words is "eight trillion, three hundred sixty-six billion, two hundred seventy-eight million, two hundred twenty-nine thousand, two hundred eighty".