8068599891 has 64 divisors (see below), whose sum is σ = 13835404800. Its totient is φ = 4593024000.

The previous prime is 8068599887. The next prime is 8068599923. The reversal of 8068599891 is 1989958608.

It is not a de Polignac number, because 8068599891 - 2² = 8068599887 is a prime.

It is a super-3 number, since 3×8068599891³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8068599191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3033120 + ... + 3035778.

It is an arithmetic number, because the mean of its divisors is an integer number (216178200).

Almost surely, 2^8068599891 is an apocalyptic number.

8068599891 is a deficient number, since it is larger than the sum of its proper divisors (5766804909).

8068599891 is a wasteful number, since it uses less digits than its factorization.

8068599891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 63.

The square root of 8068599891 is about 89825.3855599852. The cubic root of 8068599891 is about 2005.7003948964.

The spelling of 8068599891 in words is "eight billion, sixty-eight million, five hundred ninety-nine thousand, eight hundred ninety-one".