8141415217 has 8 divisors (see below), whose sum is σ = 8772880424. Its totient is φ = 7510693248.

The previous prime is 8141415197. The next prime is 8141415221. The reversal of 8141415217 is 7125141418.

It can be written as a sum of positive squares in 4 ways, for example, as 97298496 + 8044116721 = 9864^2 + 89689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8141415217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8141415017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162948 + ... + 206965.

It is an arithmetic number, because the mean of its divisors is an integer number (1096610053).

Almost surely, 2^8141415217 is an apocalyptic number.

It is an amenable number.

8141415217 is a deficient number, since it is larger than the sum of its proper divisors (631465207).

8141415217 is a wasteful number, since it uses less digits than its factorization.

8141415217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371619.

The product of its digits is 8960, while the sum is 34.

The square root of 8141415217 is about 90229.7911834002. The cubic root of 8141415217 is about 2011.7158369880.

The spelling of 8141415217 in words is "eight billion, one hundred forty-one million, four hundred fifteen thousand, two hundred seventeen".