8861376774816 has 192 divisors, whose sum is σ = 26240699520000. Its totient is φ = 2908678595328.

The previous prime is 8861376774791. The next prime is 8861376774827. The reversal of 8861376774816 is 6184776731688.

8861376774816 is a `hidden beast` number, since 8 + 8 + 6 + 1 + 3 + 76 + 77 + 481 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 31 ways as a sum of consecutive naturals, for example, 173580591 + ... + 173631633.

It is an arithmetic number, because the mean of its divisors is an integer number (136670310000).

Almost surely, 2^{8861376774816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8861376774816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13120349760000).

8861376774816 is an abundant number, since it is smaller than the sum of its proper divisors (17379322745184).

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

8861376774816 is a wasteful number, since it uses less digits than its factorization.

8861376774816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54128 (or 54114 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 72.

The spelling of 8861376774816 in words is "eight trillion, eight hundred sixty-one billion, three hundred seventy-six million, seven hundred seventy-four thousand, eight hundred sixteen".