8775448657920 has 1344 divisors, whose sum is σ = 36968391925920. Its totient is φ = 1956894474240.

The previous prime is 8775448657867. The next prime is 8775448657967. The reversal of 8775448657920 is 297568445778.

It is a happy number.

8775448657920 is a `hidden beast` number, since 8 + 7 + 7 + 5 + 4 + 48 + 6 + 579 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 214035333100 + ... + 214035333140.

Almost surely, 2^{8775448657920} is an apocalyptic number.

8775448657920 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 8775448657920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18484195962960).

8775448657920 is an abundant number, since it is smaller than the sum of its proper divisors (28192943268000).

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

8775448657920 is an frugal number, since it uses more digits than its factorization.

8775448657920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 948326400, while the sum is 72.

The spelling of 8775448657920 in words is "eight trillion, seven hundred seventy-five billion, four hundred forty-eight million, six hundred fifty-seven thousand, nine hundred twenty".