8788847678640 has 1920 divisors, whose sum is σ = 34392322179072. Its totient is φ = 1999892643840.

The previous prime is 8788847678629. The next prime is 8788847678707. The reversal of 8788847678640 is 468767488878.

8788847678640 is a `hidden beast` number, since 8 + 7 + 8 + 88 + 476 + 7 + 8 + 64 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8788847678640.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 55979921442 + ... + 55979921598.

Almost surely, 2^{8788847678640} is an apocalyptic number.

8788847678640 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 8788847678640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17196161089536).

8788847678640 is an abundant number, since it is smaller than the sum of its proper divisors (25603474500432).

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

8788847678640 is a wasteful number, since it uses less digits than its factorization.

8788847678640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 6473908224, while the sum is 81.

The spelling of 8788847678640 in words is "eight trillion, seven hundred eighty-eight billion, eight hundred forty-seven million, six hundred seventy-eight thousand, six hundred forty".