8068561863 has 16 divisors (see below), whose sum is σ = 11042227200. Its totient is φ = 5238120096.

The previous prime is 8068561849. The next prime is 8068561871. The reversal of 8068561863 is 3681658608.

It is not a de Polignac number, because 8068561863 - 2⁶ = 8068561799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8068561463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115720 + ... + 171837.

It is an arithmetic number, because the mean of its divisors is an integer number (690139200).

Almost surely, 2^8068561863 is an apocalyptic number.

8068561863 is a deficient number, since it is larger than the sum of its proper divisors (2973665337).

8068561863 is a wasteful number, since it uses less digits than its factorization.

8068561863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287806.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 8068561863 is about 89825.1738823811. The cubic root of 8068561863 is about 2005.6972438791.

The spelling of 8068561863 in words is "eight billion, sixty-eight million, five hundred sixty-one thousand, eight hundred sixty-three".