8773856133120 has 1368 divisors, whose sum is σ = 34365024753696. Its totient is φ = 2146468626432.

The previous prime is 8773856133103. The next prime is 8773856133121. The reversal of 8773856133120 is 213316583778.

It is a happy number.

8773856133120 is a `hidden beast` number, since 8 + 7 + 7 + 3 + 8 + 5 + 613 + 3 + 12 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8773856133121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53827338159 + ... + 53827338321.

Almost surely, 2^{8773856133120} is an apocalyptic number.

8773856133120 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 8773856133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17182512376848).

8773856133120 is an abundant number, since it is smaller than the sum of its proper divisors (25591168620576).

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

8773856133120 is an frugal number, since it uses more digits than its factorization.

8773856133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 8773856133120 in words is "eight trillion, seven hundred seventy-three billion, eight hundred fifty-six million, one hundred thirty-three thousand, one hundred twenty".