8217196415 has 16 divisors (see below), whose sum is σ = 10448235360. Its totient is φ = 6182584320.

The previous prime is 8217196411. The next prime is 8217196417. The reversal of 8217196415 is 5146917128.

It is not a de Polignac number, because 8217196415 - 2² = 8217196411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8217196411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85460 + ... + 154070.

It is an arithmetic number, because the mean of its divisors is an integer number (653014710).

Almost surely, 2^8217196415 is an apocalyptic number.

8217196415 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8217196415 is a deficient number, since it is larger than the sum of its proper divisors (2231038945).

8217196415 is a wasteful number, since it uses less digits than its factorization.

8217196415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70042.

The product of its digits is 120960, while the sum is 44.

The square root of 8217196415 is about 90648.7529699113. The cubic root of 8217196415 is about 2017.9383284151.

The spelling of 8217196415 in words is "eight billion, two hundred seventeen million, one hundred ninety-six thousand, four hundred fifteen".