8159855760 has 400 divisors, whose sum is σ = 32948784000. Its totient is φ = 1832896512.

The previous prime is 8159855651. The next prime is 8159855771. The reversal of 8159855760 is 675589518.

8159855760 is a `hidden beast` number, since 81 + 5 + 9 + 8 + 557 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 8159855697 and 8159855706.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2674716 + ... + 2677764.

It is an arithmetic number, because the mean of its divisors is an integer number (82371960).

Almost surely, 2^8159855760 is an apocalyptic number.

8159855760 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 8159855760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16474392000).

8159855760 is an abundant number, since it is smaller than the sum of its proper divisors (24788928240).

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

8159855760 is a wasteful number, since it uses less digits than its factorization.

8159855760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The square root of 8159855760 is about 90331.9199397422. The cubic root of 8159855760 is about 2013.2335566925.

The spelling of 8159855760 in words is "eight billion, one hundred fifty-nine million, eight hundred fifty-five thousand, seven hundred sixty".