8427868560 has 100 divisors (see below), whose sum is σ = 29271258588. Its totient is φ = 2247429888.

The previous prime is 8427868481. The next prime is 8427868583. The reversal of 8427868560 is 658687248.

8427868560 is a `hidden beast` number, since 8 + 4 + 2 + 78 + 6 + 8 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5974053264 + 2453815296 = 77292^2 + 49536^2 .

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 = 8427868497 and 8427868506.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 643819 + ... + 656778.

Almost surely, 2^8427868560 is an apocalyptic number.

8427868560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8427868560 is an abundant number, since it is smaller than the sum of its proper divisors (20843390028).

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

8427868560 is a wasteful number, since it uses less digits than its factorization.

8427868560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300622 (or 1300607 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 8427868560 is about 91803.4234655767. The cubic root of 8427868560 is about 2035.0382878698.

The spelling of 8427868560 in words is "eight billion, four hundred twenty-seven million, eight hundred sixty-eight thousand, five hundred sixty".