8561085600 has 72 divisors (see below), whose sum is σ = 27866341440. Its totient is φ = 2282955520.

The previous prime is 8561085587. The next prime is 8561085619. The reversal of 8561085600 is 65801658.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1781160 + ... + 1785959.

It is an arithmetic number, because the mean of its divisors is an integer number (387032520).

Almost surely, 2^8561085600 is an apocalyptic number.

8561085600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8561085600 is an abundant number, since it is smaller than the sum of its proper divisors (19305255840).

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

8561085600 is a wasteful number, since it uses less digits than its factorization.

8561085600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567142 (or 3567129 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 8561085600 is about 92526.1346863685. The cubic root of 8561085600 is about 2045.7047166426.

The spelling of 8561085600 in words is "eight billion, five hundred sixty-one million, eighty-five thousand, six hundred".