8676491986656 has 576 divisors, whose sum is σ = 28626180710400. Its totient is φ = 2469092474880.

The previous prime is 8676491986559. The next prime is 8676491986697. The reversal of 8676491986656 is 6566891946768.

8676491986656 is a `hidden beast` number, since 8 + 6 + 76 + 491 + 9 + 8 + 6 + 6 + 56 = 666.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1009007445 + ... + 1009016043.

It is an arithmetic number, because the mean of its divisors is an integer number (49698230400).

Almost surely, 2^{8676491986656} 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 8676491986656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14313090355200).

8676491986656 is an abundant number, since it is smaller than the sum of its proper divisors (19949688723744).

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

8676491986656 is a wasteful number, since it uses less digits than its factorization.

8676491986656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919 (or 8908 counting only the distinct ones).

The product of its digits is 5643509760, while the sum is 81.

The spelling of 8676491986656 in words is "eight trillion, six hundred seventy-six billion, four hundred ninety-one million, nine hundred eighty-six thousand, six hundred fifty-six".