8797664710656 has 260 divisors, whose sum is σ = 26428173037200. Its totient is φ = 2916152229888.

The previous prime is 8797664710631. The next prime is 8797664710657. The reversal of 8797664710656 is 6560174667978.

It is a happy number.

8797664710656 is a `hidden beast` number, since 8 + 7 + 97 + 6 + 6 + 471 + 0 + 65 + 6 = 666.

It is a super-2 number, since 2×8797664710656² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (8797664710657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59313835 + ... + 59461973.

Almost surely, 2^{8797664710656} 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 8797664710656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13214086518600).

8797664710656 is an abundant number, since it is smaller than the sum of its proper divisors (17630508326544).

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

8797664710656 is a wasteful number, since it uses less digits than its factorization.

8797664710656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148354 (or 148323 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 72.

The spelling of 8797664710656 in words is "eight trillion, seven hundred ninety-seven billion, six hundred sixty-four million, seven hundred ten thousand, six hundred fifty-six".