8081205868 has 12 divisors (see below), whose sum is σ = 14149880640. Its totient is φ = 4038382832.

The previous prime is 8081205857. The next prime is 8081205877. The reversal of 8081205868 is 8685021808.

It is a super-6 number, since 6×8081205868⁶ (a number of 61 digits) contains 666666 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546823 + ... + 561406.

It is an arithmetic number, because the mean of its divisors is an integer number (1179156720).

Almost surely, 2^8081205868 is an apocalyptic number.

It is an amenable number.

8081205868 is a deficient number, since it is larger than the sum of its proper divisors (6068674772).

8081205868 is a wasteful number, since it uses less digits than its factorization.

8081205868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110056 (or 1110054 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The square root of 8081205868 is about 89895.5275194489. The cubic root of 8081205868 is about 2006.7443867255.

The spelling of 8081205868 in words is "eight billion, eighty-one million, two hundred five thousand, eight hundred sixty-eight".