8699870557568 has 64 divisors (see below), whose sum is σ = 17914691696640. Its totient is φ = 4204008000000.

The previous prime is 8699870557519. The next prime is 8699870557603. The reversal of 8699870557568 is 8657550789968.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520243 + ... + 4439693.

It is an arithmetic number, because the mean of its divisors is an integer number (279917057760).

Almost surely, 2^{8699870557568} 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 8699870557568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8957345848320).

8699870557568 is an abundant number, since it is smaller than the sum of its proper divisors (9214821139072).

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

8699870557568 is a wasteful number, since it uses less digits than its factorization.

8699870557568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920247 (or 2920235 counting only the distinct ones).

The product of its (nonzero) digits is 9144576000, while the sum is 83.

The spelling of 8699870557568 in words is "eight trillion, six hundred ninety-nine billion, eight hundred seventy million, five hundred fifty-seven thousand, five hundred sixty-eight".