8216227677171 has 8 divisors (see below), whose sum is σ = 11057353136064. Its totient is φ = 5426293668200.

The previous prime is 8216227677169. The next prime is 8216227677181. The reversal of 8216227677171 is 1717767226128.

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

It is a cyclic number.

It is not a de Polignac number, because 8216227677171 - 2¹ = 8216227677169 is a prime.

It is a super-2 number, since 2×8216227677171² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8216227677181) 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, 12797862105 + ... + 12797862746.

It is an arithmetic number, because the mean of its divisors is an integer number (1382169142008).

Almost surely, 2^{8216227677171} is an apocalyptic number.

8216227677171 is a deficient number, since it is larger than the sum of its proper divisors (2841125458893).

8216227677171 is a wasteful number, since it uses less digits than its factorization.

8216227677171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595724961.

The product of its digits is 5531904, while the sum is 57.

The spelling of 8216227677171 in words is "eight trillion, two hundred sixteen billion, two hundred twenty-seven million, six hundred seventy-seven thousand, one hundred seventy-one".