8081704547217 has 48 divisors (see below), whose sum is σ = 13433410828032. Its totient is φ = 4586224406400.

The previous prime is 8081704547209. The next prime is 8081704547269. The reversal of 8081704547217 is 7127454071808.

It is a happy number.

8081704547217 is a `hidden beast` number, since 8 + 0 + 8 + 1 + 70 + 4 + 547 + 21 + 7 = 666.

It is not a de Polignac number, because 8081704547217 - 2³ = 8081704547209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8081704547417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33718323 + ... + 33957159.

It is an arithmetic number, because the mean of its divisors is an integer number (279862725584).

Almost surely, 2^{8081704547217} is an apocalyptic number.

It is an amenable number.

8081704547217 is a deficient number, since it is larger than the sum of its proper divisors (5351706280815).

8081704547217 is a wasteful number, since it uses less digits than its factorization.

8081704547217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242558 (or 242555 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The spelling of 8081704547217 in words is "eight trillion, eighty-one billion, seven hundred four million, five hundred forty-seven thousand, two hundred seventeen".