8555897760 has 96 divisors (see below), whose sum is σ = 27679542912. Its totient is φ = 2219904000.

The previous prime is 8555897729. The next prime is 8555897761. The reversal of 8555897760 is 677985558.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 8555897694 and 8555897703.

It is not an unprimeable number, because it can be changed into a prime (8555897761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223116 + ... + 258635.

It is an arithmetic number, because the mean of its divisors is an integer number (288328572).

Almost surely, 2^8555897760 is an apocalyptic number.

8555897760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8555897760 is an abundant number, since it is smaller than the sum of its proper divisors (19123645152).

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

8555897760 is a wasteful number, since it uses less digits than its factorization.

8555897760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481806 (or 481798 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 60.

The square root of 8555897760 is about 92498.0959804038. The cubic root of 8555897760 is about 2045.2914149624.

The spelling of 8555897760 in words is "eight billion, five hundred fifty-five million, eight hundred ninety-seven thousand, seven hundred sixty".