8081354868 has 24 divisors (see below), whose sum is σ = 19039570368. Its totient is φ = 2667631296.

The previous prime is 8081354857. The next prime is 8081354881. The reversal of 8081354868 is 8684531808.

It is a super-3 number, since 3×8081354868³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8081354868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267921 + ... + 3270392.

It is an arithmetic number, because the mean of its divisors is an integer number (793315432).

Almost surely, 2^8081354868 is an apocalyptic number.

It is an amenable number.

8081354868 is an abundant number, since it is smaller than the sum of its proper divisors (10958215500).

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

8081354868 is a wasteful number, since it uses less digits than its factorization.

8081354868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538423 (or 6538421 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The square root of 8081354868 is about 89896.3562554123. The cubic root of 8081354868 is about 2006.7567199953.

The spelling of 8081354868 in words is "eight billion, eighty-one million, three hundred fifty-four thousand, eight hundred sixty-eight".